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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.15.
 1.
 1.11.
 0.

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Electric Circuits
A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+?

 dielectric losses decreases.
 short circuit.
 dielectric losses increases.
 open circuit.

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Electric Circuits
In active filter which element is absent?

 Inductor.
 Both of above.
 Resistor.
 Capacitor.

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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

 4R Ω
 8R Ω
 2R Ω
 R Ω

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Electric Circuits
In the circuit shown below, find the thevnin equivalent resistance.

 1.5 Ohm.
 5 Ohm.
 5/6 Ohm.
 6/5 Ohm.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Undamping
 Under damping
 Over damping
 Critical damping

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MORE MCQ ON Electric Circuits

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