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Electric Circuits

Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 250 pF.
 1000 pF.
 125 pF.
 500 pF.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Force
 Power
 Current
 Charge

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Electric Circuits
Form factor is equal to Peak factor in case of

All of these
 square wave.
 triangle wave.
 saw tooth wave.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 directly proportional to frequency
 indirectly proportional to the square of frequency
 indirectly proportional to frequency
 directly proportional to the square of frequency

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Electric Circuits
In series RLC circuit which of the following represents the Q factor ?

 VR/V
 XC/R
All of these
 XL/R

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Electric Circuits
A constant voltage source has

 minimum current capacity.
 minimum efficiency.
 high internal resistance.
 low internal resistance.

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