Diameter = 3 cm
Length = 40 cm
Density = 2170 kg/m³
B = 3T
r = 12 cm
Net magnetic field on the wire 1 is
B₁ = B + (μ₀I / 2πr)
B₁ = 3.0000125 T
Net magnetic field on the wire 2 is\
B₂ = B + (μ₀I / 2πr)
B₂ = 3.0000125 T
By newton's second law,
ilB = T sin θ
(πd²l/4)lg = T cos θ
So, tension force on the thread is
T = (ilB₁)₂ + [ (πd²l/4) lg ]²
T = 11.7261398 N
So, sin θ = (ilB₁/T)
θ = 50.13°
Now, the angle created by two threads is
θ = 2θ = 2 x 50.13 = 100.26°
Therefore, the magnetic field wire conducts electricity at a particular angle.
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help pleaseeeee
what is the meaning P in physics?
like in this formula P=mg
Answer:
Pressure is defined as the force per unit area: P = F/ A, or in terms of magnitude, P = mg/A, where mg is the weight of the fluid.
Explanation:
Label the parts of a separated blood sample and the formed elements as seen on a blood smear Centrifuged Blood Sample Red blood cells White blood cell Peripheral Blood Smear Plasma RBC in smear Platelet White blood cells and platelets
Cells and cell fragments suspended in plasma make up the produced elements. Erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes are the three types of produced elements (platelets).
What do you mean by blood smear ?A blood test called a blood smear reveals details on the quantity and composition of blood cells. It frequently occurs in conjunction with or as part of a complete blood count (CBC). An genetic condition known as sickle cell anemia causes the production of defective hemoglobin, which is the red pigment found inside red blood cells.
Your red, white, and platelet blood cells and their quantity and form are examined to determine whether they are normal. Parasites in your blood can also be found via a blood smear. Nowadays, computerized blood analysis is more typical. Blood smears, however, may still be regularly performed to check for specific disorders.Blood's primary component, plasma, is primarily made up of water with some proteins, ions, nutrients, and wastes mixed together. Carbon dioxide and oxygen are carried by red blood cells. It is the job of platelets to cause blood to clot. The immune system's white blood cells have a role in immunological response.To know more about Blood please click here ; https://brainly.com/question/920424
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an ice hockey puck is tied by a string to a stake on rough ice and slides around in a circle until it comes to a stop. what is the sign of the work done by the tension in the rope as it slides to a stop?
The rope slides to a stop with no work being done by the tension in the rope.
Which of Newton's equations of motion best describes how a hockey puck would move if there was no external force acting on it as it slid around the ice?first rule of Newton If not affected by a net external force, an item at rest or in motion maintains its state of motion at a constant speed.
A hockey puck striking is governed by what rule of motion?The First Law of Motion by Newton Ice hockey is a sport that can help us understand Newton's laws of motion. Until pushed to change its condition by a net force, an object stays at rest or moves at a constant speed (speed in a constant direction).
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Rainwater contains dissolved substances that allow it to conduct electricity. Why would you not be
electrocuted if you walked under an electric transmission line during a rainstorm?
As the raindrops do not provide a continuous path to flow the electrons because the air between the rain droplets acts as an insulator, therefore, the person walking under an electric transmission line would not be electrocuted.
What is a electrical conductor?In physics, a conductor can be described as a type of material that allows the flow of charge in one or more directions. Electric current is produced by the flow of negatively charged electrons or ions in some cases.
Raindroplets have dissolved impurities which make them somewhat conductive of electricity, but conductors should be continuous to create a conducting path at normal voltages.
The electric current can only flow when there is a continuous path of conductive material providing a conductor for electrons to travel through. The continuous flow of electrons needs to be an unbroken path to allow it to flow.
Since the air can be considered an insulating material and an air gap separates prevents a continuous path has been broken therefore electrons cannot flow.
Therefore, due to the absence of the closed circuit, you would not be electrocuted during a rainstorm if you walked under an electric transmission line.
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consider the case when the constant a=3 and τ=4. plot the graph of y=3e−t/4.
The constant are a=3 and τ=4.
What are exponential functions?
The exponential function is a mathematical function of the form f(x) = ax. where "x" is a variable and "a" is a constant called the base of the function, which must be greater than 0. The most commonly used exponential base is the transcendental number e, which is approximately equal to 2.71828.
What is the formula of exponential function?
The exponential function is defined by the formula f(x) = ax. where the input variable x appears as an exponent. An exponential curve depends on the exponential function and the value of x.
The exponential function is an important mathematical function of the form:
f(x) = [tex]a^{x}[/tex]
Therefore, the constant a=3 and τ=4.
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nail tips exert tremendous pressures when they are hit by hammers because they exert a large force over a small area. what force must be exerted on a nail with a circular tip of 1.00 mm diameter to create a pressure of (this high pressure is possible because the hammer striking the nail is brought to rest in such a short distance.)
2.18X103 N force must be exerted on a nail with a circular tip of 1.00 mm diameter to create a pressure.
diameter, d = 0.95 mm = 0.95x10-3m
P = 3.1X10^9 Pa
r = d/2 = 0.95/2 x 10^-3 m
= 0.475 x 10^-3 m
Area = [tex]\pi[/tex] r2
= 3.14 x ( 0.475 x 10^-3 m)2
= = 3.14 x 0.225 x 10^-6
= 0.706 × 10-6 m2
Force = PXA
= 3.1 x 10^9 x 0.70 6 × 10^-6
F = 2.18X103 N
Pressure , within the physical sciences, the perpendicular force in step with unit per area , or the stress at a factor inside a restricted fluid.
A easy instance of pressure can be seen by retaining a knife to a bit of fruit. In case you keep the flat part of the knife towards the fruit, it might not reduce the area. The force is spread out of a massive vicinity (low strain).
The SI unit of pressure is pascal (represented as Pa) which is identical to one newton in line with rectangular metre (N/m2 or kg m-1s-2).
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A long, horizontal wire Ab rests on the surface of a table and carries a current I. A horizontal wire CD is vertically above wire AB , and is free to slide up and down on the two vertical metal guides C and D ( as shown in Fig) .Wire CD is connected through the sliding contacts to another wire that also carries a current I , opposite in direction to the current in wire AB . The mass per unit length of the wire CD is λ. To what equilibrium height h will the wire CD rise. assuming that magnetic force on it is wholly due to current in wire AB ?
The equilibrium height to which the wire CD will rise is given by the expression h = μ₀I² / 2π λg
What is magnetic field ?A region in which the force of magnetism acts is known as the magnetic field, and it surrounds magnetic materials or a moving electric charge. Moving magnetic dipoles and electric charges produce a magnetic field, which acts as a force field on other nearby magnetic dipoles and moving charges.
Magnetic field at a distance h produced by a current carrying wire
B = μ₀I/ 2πh
Magnetic force due to the present current carrying wire can be calculated by the formula
F = B I L
And we also know that F = mg
On equating these mg = B I L
( μ₀I/ 2πh ) I = ( m/ I ) g = λg
thus we get the value of h as
h = μ₀I² / 2π λg
Thus, the equilibrium height to which the wire CD will rise is given by the expression h = μ₀I² / 2π λg .
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A 10.00kg ball moving at 1,7m/s collides with a 5.00kg ball at rest. If the velocity of the heavier ball is 3,4m/s after the collision, how much velocity will the lighter ball have?(after the collision)
The velocity of Ball 2 after the collision is 3.4m/s.
What is law of conservation of momentum?When two bodies collide, according to the law of conservation of momentum. The total kinetic energy before and after collision will be the same.
Using the law of conservation of momentum;
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
Given, m₁ = 10.00kg
u₁ = 1.7m/s
m₂ = 5.00kg
u₂ = 0m/s
v₁ = 3.4m/s
Substitute the given values
10(1.7) + 5(0) = 10(3.4) + 5v₂
17 + 0 = 34 + 5v₂
17-34 = 5v₂
-17 = 5v₂
v₂ = -3.4
v₂ = 3.4 m/s
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2. What is the equivalent resistance (total resistance) of the series circuit shown at left?
The equivalent resistance in the series circuit is 130 ohm.
What is resistance?Resistance is the opposition to current flow in a electrical circuit.
To calculate the equivalent resistance of the resistors the series circuit, we use the formula below.
Formula:
Rt = R₁+R₂+R₃..........Equation 1Where:
Rt = Equivalent resistanceR₁, R₂, R₃ = Resistance of all the resistors connected in seriesFrom the image,
Given:
R₁ = 10 ohmR₂ = 20 ohmR₃ = 100 ohmSubstitute these values into equation 1
Rt = 10+20+100Rt = 130 ohmHence, the equivalent resistance is 130 ohm.
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wo pieces of clay are moving directly toward each other. one piece having mass 300~\text{g}300 g is moving to the right at a speed of 1~\text{m/s}1 m/s. the other piece has mass 600~\text{g}600 g and is moving to the left at a speed of 0.75~\text{m/s}0.75 m/s. when they collide, they stick together and move as one piece.
The percentage of the total initial kinetic energy that is lost during the impact is 11/17J. Because two bits of clay are travelling straight toward one another at a speed.
They stick together and move as a unit when they crash into each other. A moving object or particle's kinetic energy, which depends on both mass and speed, is one of its characteristics. The type of motion can be vibration, translation, rotation around an axis, or any combination of these. Kinetic energy is a type of energy that an item or particle possesses as a result of motion.
Piece weight is 300 g.
1 m/s for each piece's speed
The other portion weighs 600 g.
0.75 m/s is the speed of the other piece.
making use of the kinetic energy formula
K.E = 1/(m1+m2)v2 K.E = 1/(300*10-3+600*10-3)*(-0.5)2\s
K.E = 0.1125J
Energy wasted equals 11/17J - 0.1125/0.31875 energy lost
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The complete question is -
Two pieces of clay are moving directly toward each other. When they collide, they stick together and move as one piece. One piece having mass 300 g is moving to the right at a speed of 1 m/s. The other piece has mass 600 g and is moving to the left at a speed of 0.75 m/s. What fraction of the total initial kinetic energy is lost during the collision?
Cosmic background radiation detected from all directions in space provides evidence for the.
Cosmic background radiation detected from all directions in space provides evidence for the Big Bang Theory.
The Big Bang event is a bodily theory that describes how the universe elevated from a preliminary nation of excessive density and temperature. Diverse cosmological models of the Big Bang give an explanation for the evolution of the observable universe from the earliest acknowledged durations via its next big-scale shape.
The hassle generally comes from the time period "Big Bang". It brings to thought explosions, detonations, balloons being popped, and the whole lot being blown out to chicken basket hades.
Formation: whilst the sun gadget settled into its modern layout about four.5 billion years in the past, Earth shaped while gravity pulled swirling gas and dust in to become the third planet from the solar.
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A man walks for 2 hours at a speed of 3m/s. How far does he travel? give your answer in kilometres.
Answer:
the answer will be 3*120*60/1000=221.6 km ok mark me brainliest pls
PLEASE HELP WILL MARK BRAINLIEST IF YOU EXPLAIN HOW YOU GOT THE ANSWRR!!!!!
The statement that is correct about the tension forces that are acting on the body is that T1 + T2 = P.
What is tension?The term tension has to do with the force that acts on an object that is pulled by a rope. Thus the tension force does act along the rope that is pulling the object along.
Now we can see from the image that there is an object that is acted upon by forces and these forces are equal in magnitude to the weight of the object.
Having said that we can see that the weights of the objects are not all the same and then the resultant of the tension force that is acting on the masses as they are joined would be given as P. It is also important to note that all these forces are acting along the same direction thus the resultant of the tension forces can be obtained by an addition.
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(figure 1) shows two blocks sliding on a frictionless surface. eventually the smaller block overtakes the larger one, collides with it, and sticks. suppose that m
The final speed after the collision of the blocks is 5u/4. The final speed is given in terms of initial velocity.
Given:
Mass of the first block, m
Mass of the second block, 3 m
The initial velocity of the first block, 2u
The initial velocity of the second block, u
The momentum can be determined from the product of mass and velocity.
From the conservation of momentum:
initial momentum = final momentum
2mu + 3mu = (3 m+m) v
The final speed is:
5mu = 4mv
v = 5u/4
Hence, the final speed after the collision of the blocks is 5u/4. The final speed is given in terms of the initial speed.
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#Complete question is:
shows two blocks sliding on a frictionless surface. eventually, the smaller block overtakes the larger one, collides with it, and sticks. suppose that m
What is the speed of the two blocks after the collision?
A truck loaded with sand is moving down the highway in a straight path.
a. What happens to the momentum of the truck if the truck’s velocity is increasing?
b. What happens to the momentum of the truck if sand leaks at a constant rate through a hole in the truck bed while the truck maintains a constant velocity?
Momentum, the product of a particle's mass and its velocity. Momentum is a vector quantity. It has both magnitude and direction. Isaac Newton's second law of motion states that the rate of change of momentum over time is equal to the force acting on a particle.
From Newton's second law, if a particle is subject to a constant force over a period of time, the product of that force and the time interval (momentum) equals the change in momentum. Conversely, the momentum of a particle is a measure of the time it takes for a constant force to come to rest.
We know, p = mv
Where, p = momentum
m = mass of object
v = velocity of the object
Since, momentum is directly proportional to the velocity of object:
p ∝ v
This means, that momentum increases with an increase in velocity.
If the velocity is constant, then:
p ∝ m
As the truck is losing some mass due the leakage of sand at a constant rate.
So, this decrease in mass leads in a decrease of momentum.
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Forces F1 , F2 , and F3 act on the structure of the figure, shown in an overhead view. We wish to put the structure in equilibrium by applying a fourth force, at a point such as P. The fourth force has vector components Fh and Fv . We are given that a= 1.51 m, b = 3.75 m, c = 1.40 m, F1 = 11.2 N, F2 = 7.43 N, and F3 = 4.78 N. Find (a) magnitude of Fh, (b) magnitude of Fv, and (c) d.
[tex]F_{h}[/tex]= 4.78 N , [tex]F_{v}[/tex]=18.63 N , d= 1.88 m
(a) Analyzing the horizontal forces (which add to zero) we find :
[tex]F_{3}=F_{h}[/tex]=4.78N
(b) Equilibrium of vertical forces leads to [tex]F_{v}=F_{1}+F_{2}[/tex]= 18.63 N
(c) Computing torques about point O, we obtain
[tex]F_{v}.d=F_{2}.b+F_{3} .a[/tex]
[tex]d=(F_{2}.b+F_{3} .a)/F_{v}[/tex]
[tex]d=1.88[/tex] m
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Students are investigating charge separation in conductors. They have two initially neutral conducting spheres and two different kinds of cloths. The students want to determine if the cloths add the same kind of charge or opposite kinds of charge when rubbed on the spheres. Which of the following procedures will provide enough information to determine whether the cloths add the same or opposite charges?a. Rub one sphere with one cloth and the other sphere with the other cloth, and touch them together. Pull them slightly apart and see if they attract or repel.b. Rub one sphere with one cloth and the other sphere with the other cloth, and bring them close together without touching. See if they attract or repel.c. Rub each sphere once with one cloth then once with the other cloth, and touch them together. Pull them slightly apart and see if they attract or repel.d. Rub each sphere once with one cloth then once with the other cloth, and bring them close together without touching. See if they attract or repel.
Answer:
rgvy
Explanation:
urfgbv
The vapor pressure of methanol at is. Calculate the vapor pressure in and. Round each of your answers to significant digits.
Methanol has a vapor pressure of 126 at 25 °C.
What is the definition of vapor pressure?Vapor pressure features include: It is significant to remember that when a liquid boils, the pressure of its vapor equals the atmospheric pressure. For instance, the vapor pressure of water when it boils at sea level is 1 atmosphere because the surrounding pressure is also 1 atmosphere.
How is vapor pressure measured and what does it mean?It is the force applied to the unit area of the system's wall. The boiling point method and the transpiration method are the two main experimental techniques used to assess the vapor pressure at high temperatures.
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6. suppose you apply a force of 1 n to block a and a force of 2 n to block b. does it follow that block b must have twice the acceleration of block a? justify your answer using newton's second law.
Yes, block b must have twice the acceleration of block a but Only if B has the same mass as A.
Acceleration is the rate of change of the velocity of an item with appreciation to time. Accelerations are vector portions. The orientation of an item's acceleration is given by the orientation of the net pressure appearing on that object.
Acceleration is the charge at which velocity modifications with time, in terms of each speed and route. A factor or an object moving in a straight line is accelerated if it quickens or slows down. movement on a circle is extended despite the fact that the rate is consistent because the course is continually changing.
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a constant net force on a railroad car produces constant
A constant net force on a railroad car produces constant velocity.
What is force?Force is that which could cause an object to begin to move, or to change its direction, or even stop altogether. Thus force is able to affect the motion of an object that is moving along a begin path.
If the force is constant, then the velocity of the object does not change because the change in the velocity would be caused by a change in the magnitude of the force that acts on the object. Thus the net force remains the same and the velocity also remains the same.
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Missing parts;
A constant net force on a railroad car produces constant:
a. velocity
b. acceleration
c. both of these
d. neither of these
question the computer output below shows the result of a linear regression analysis for predicting the concentration of zinc, in parts per million (ppm), from the concentration of lead, in ppm, found in fish from a certain river. which of the following statements is a correct interpretation of the value 19.0 in the output?
A correct reading of the value 19.0 in the output of a linear regression analysis is that there is a projected rise of 19.0 ppm in the concentration of zinc for every increase of 1 ppm in the concentration of lead discovered in the fish.
In statistics, a linear method known as linear regression is used to describe a scalar response and one or more explanatory factors.
Linear regression analysis is used to forecast the value of a variable based on the value of another variable. The dependent variable is the one you're trying to forecast. The variable you are using to predict the value of the other variable is known as the independent variable.
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T/F the vapor pressure of liquid chloroform, , is 100. mm hg at 283 k. a 0.487 g sample of liquid is placed in a closed, evacuated 500. ml container at a temperature of 283 k.
True. The vapor pressure of liquid chloroform, , is 100. mm hg at 283 k. a 0.487 g sample of liquid is placed in a closed, evacuated 500. ml container at a temperature of 283 k.
Explain pressure in a physics context.The physical force exerted on an item is known as pressure. The force applied per unit area is perpendicular to the surface of the objects. F/A is the basic pressure formula (Force per unit area). Pascals are the unit of pressure (Pa). Absolute, atmospheric, differential, and gauge pressures are all types of pressures. Pressure is the force exerted on a surface per unit area. When a force F is applied to area A, pressure P=F/A. Pressure is defined as force per unit area applied. The force is dispersed over a vast area (low pressure).
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Lebron is comparing flights departing from minneapolis. Which 2 ways could lebron find the flight with the fastest average speed?.
The fastest average speed is distance divide by time.
The fastest average speed = distance / time
s = d /t
Average speed is calculated by dividing the total distance that something has traveled by the total amount of time it took it to travel that distance.
Average speed measures the average rate of speed over the extent of a trip.
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a block is pulled along a surface of negligible friction by a spring scale that exerts a force f on the block. the mass of the block is 4kg, and the spring scale reads 10n. which of the following free-body diagrams can be used to show the magnitude and direction of all the forces exerted on the block as it is pulled along the surface?
The correct free-body diagram is the one shown in option C
What is the correct free-body diagram?We know that the free-body diagram could be used to identify the forces that are acting on an object. We know that the normal force that acts on an object must be equal to the weight of the object and this is represented as lines of equal length on the free-body diagram.
We can now see that the correct free-body diagram is one in which the magnitude of the force weight and the normal force is the same. Now the force on the spring would be shown as the forward force.
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what is mesothermal climates
Answer:
Mesothermal regions have moderate climates. They are not cold enough to sustain a layer of winter snow but are also not remain warm enough to support flowering plants (and, thus, evapotranspiration) all year.
Explanation:
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What is the magnitude b of the magnetic field at the location of the charge due to the current-carrying wire?.
The magnetic field direction at the position of the charge produced by the current-carrying wire can be determined using the right hand rule.
The magnetic field is the area surrounding a magnet where magnetism's effects are felt. We use the magnetic field as a tool to describe how the magnetic force is distributed in the vicinity and inside something magnetic in nature.
The magnetic influence on moving electric charges, electric currents, and magnetic materials is described by a magnetic field, which is a vector field. A force perpendicular to the charge's own velocity and the magnetic field acts on it when the charge is travelling through a magnetic field.
While opposed poles are drawn to one another, like poles repel one another. When you rub iron against a magnet, its atoms' north-seeking poles align in the same way.
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in cardiac muscle acetylcholine binds with muscarinic acetylcholine receptors, which are g-protein coupled receptors, which elicit a signal transduction pathway that induces cardiac muscle to relax. outline how g-protein coupled receptors induce signal transduction pathways including relevant secondary messengers
G-protein coupled receptors are embedded in the cell membrane and can bind to specific molecules, such as acetylcholine.
What is acetylcholine?
Acetylcholine (ACh) is indeed an organic molecule that serves as a neurotransmitter in the bodies and brains of numerous animal species, including humans. It is a derivative of acetic acid as well as choline, which is how its name was derived out of its chemical composition. Cholinergic refers to bodily regions that use or are impacted by acetylcholine. Cholinergics and anticholinergics are terms used to describe substances that alter the cholinergic system's overall activity.
The neurotransmitter that is used just at neuromuscular junction, or the chemical that is released by neurones of the nervous system to activate muscles, is acetylcholine. Because of this characteristic, cholinergic system-interfering drugs may cause very dangerous side effects, such as convulsions and paralysis.
When the receptor binds to the molecule, the receptor undergoes a conformational change, which triggers the dissociation of a G-protein subunit, Gα, from a heterotrimeric G-protein (Gαβγ). This Gα subunit can then activate an effector enzyme, such as adenylate cyclase, which converts ATP to cyclic AMP (cAMP). cAMP can then activate protein kinases, such as protein kinase A (PKA), which can phosphorylate specific proteins in the cell, leading to a cascade of events that lead to the desired physiological outcome. In the case of cardiac muscle, the PKA phosphorylation of certain proteins can lead to the relaxation of the muscle.
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Which of the following is NOT
an agent of mechanical
weathering?
a. ice
c. acid
b. wind
d. gravity
a circular loop of wire with a radius of 13.0 cm and oriented in the horizontal xy-plane is located in a region of uniform magnetic field. a field of 1.7 t is directed along the positive z-direction, which is upward. for related problem-solving tips and strategies, you may want to view a video tutor solution of emf and current induced in a loop.
Emf and current induced in a loop is 39.17volts
How does current flow across a wire?A wire can also be made to conduct electricity by exposing it to a magnetic field. This process of producing electricity by employing a magnet is called electromagnetic induction. It operates because when the coil "cuts through" the magnetic field line, the magnetic field around it changes.
Calculation:
Radius r = 13cm = 0.13m
Area of the circular loop can be determined using the formula for area of a circle
A = π r²
A = π × 0.13²
A = 0.0530 m²
Magnetic field B = 1.7T in positive z direction
B = 1.7•k T.
If loop is remove from the field in the time interval
∆t = 2.3ms = 2.3×10^-3s
We want to find the average EMF and it is given as
ε = —∆Φ/∆t
The final flux is zero
Φf = 0
Where magnetic flux is given as
Φi = BA Cosθ
Where θ=0 since the area and the magnetic field point in the same direction.
Φi = BA Cos0
Φi = BA
Φi = 1.7 × 0.0530
Φi = 0.0901 Vs
Then, ε = —∆Φ/∆t
ε = —(Φf — Φi) / ∆t
ε = —(0-0.0901) / (2.3×10^-3)
ε = 0.0901 / (2.3×10^-3)
ε = 39.17V
The EMF is 39.17 Volts.
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Which of the following is not a unit of pressure?
atmosphere
psi
[tex]\mathrm{N} / \mathrm{m}^2[/tex]
[tex]\mathrm{mm}[/tex] of mercury
pascal
none of the above
Answer:
They are all units of pressure
