Determine the resistance of 100m of copper cable whose cross-sectional area is 1.5mm2​

Answers

Answer 1
20*% is that one trust meeeeee

Related Questions

can we detect em waves with our eyes?

tru or false

Answers

Explanation:

TRUE

Your eyes detect electromagnetic waves that are roughly the size of a virus. Your brain interprets the various energies of visible light as different colors, ranging from red to violet. ... On the other end of the spectrum are gamma rays, with wavelengths billions of times smaller than those of visible light

True we can
Hope this helps

What will happen to the force felt between two charged objects if the distance between them is 1/3rd of the original distance

Answers

Answer:

New force = 9(initial force)

Explanation:

The force between two charges is given by :

[tex]F=\dfrac{kq_1q_2}{r^2}[/tex]

Where

d is the original distance

Let d' is the new distance such that, r' = r/3

New force,

[tex]F'=\dfrac{kq_1q_2}{r'^2}\\\\F'=\dfrac{kq_1q_2}{(\dfrac{r}{3})^2}\\\\F'=9\times \dfrac{kq_1q_2}{r^2}\\\\F'=9F[/tex]

So, the new force becomes 9 times the initial force.

How can the power of an object required to lift a mass up a height be increased ?
A .reduce the height
B .reduce the mass
C .increase the time
D .reduce the time

Answers

b, reduce the mass. hope this helps

The amswer should be B. reduce the mass

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