Answer:
Positive logic is defined as a high voltage level representing a logic 1 and a low voltage level representing a logic 0. Negative logic is the reverse, i.e., a low voltage level represents a logic 1 and a high voltage level represents a logic 0.
Explanation:
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Question 1.
a). Explain briefly permeability of free space
Answer:
The permittivity measures the obstruction produces by the material in the formation of the electric field, whereas permeability is the ability of the material to allow magnetic lines to conduct through it. The free space of the permittivity is 8.85 F/m, whereas that of the permeability is 1.26 H/m.
Explanation:
Which is a common refrigerant for domestic air conditioners?
Answer:
Explanation:
The most common HFC used in air conditioners is R-410A. This refrigerant is better than R-22 in terms of “Ozone Depletion” potential and energy efficiency, but it still causes global warming. A few more HFCs that are commonly used are: R-32 in Air Conditioners and R-134A in refrigerators.
Answer:
The most common refrigerants used for air conditioning over the years include
Explanation:
The most common refrigerants used for air conditioning over the years include.
Which of these is not a financial incentive
Answer:
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Explanation:
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