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Electric Circuits

Electric Circuits
In active filter which element is absent?

 Both of above.
 Capacitor.
 Resistor.
 Inductor.

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Electric Circuits
VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is

 BRY.
 RBY.
 YRB.
 RYB.

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Electric Circuits
Number of branches of a graph should be --------- number of branches of a network

 less than equals to
 less than
 equals to
 greater than

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Electric Circuits
Unit step function is first derivative of

 ramp function.
 parabolic function.
 gate function.
 impulse function.

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Electric Circuits
In a series resonant circuit impedance is

 zero.
 maximum.
 minimum.
 none of these.

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Electric Circuits
Which quantity consists of a unit 1KWh ?

 Power
 Energy
 Charge
 Time

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MORE MCQ ON Electric Circuits

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