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Electric Circuits

Electric Circuits
The unit of electric displacement vector is

 Ampere-m.
 C - m.
 C/m2.
 C/m.

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

 1000 pF.
 250 pF.
 500 pF.
 125 pF.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

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

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Triangle
 Circle
 Straight line
 Semicircle

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Electric Circuits
What is the relation between line voltage and phase voltage in case of delta connection?

 VL = VP.
 None of these.
 VL = 1/ √3 VP.
 VL = √3 VP.

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Electric Circuits
From the given figure find the R3

 25 mega ohm
 25 mili ohm
 25 ohm
 25 kilo ohm

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MORE MCQ ON Electric Circuits

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