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Electric Circuits

Electric Circuits
Which of the following ABCD parameters is unit less?

 A and D.
 A and C.
 A and B.
 B and C.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 90°
 0°
 45°
 - 90°

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.01 A.
 1 A.
 0.316 A.
 0.1 A.

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Electric Circuits
The ratio of intensity of magnetisation to the magnetising force is known as

 relative permeability.
 flux density.
 susceptibility.
 none of above.

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 2R Ω
 R Ω
 8R Ω
 4R Ω

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Electric Circuits
To find the initial value of a function, the highest power of S in denominator should be ---------- the highest power of S in the numerator.

 equals to
 both a and c
 greater than
 less than

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