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Electric Circuits

Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 resistance.
 current.
 power.
 voltage.

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Electric Circuits
If a pure inductor is connected across the ac source, the average power taken by the inductor is

 100 watt.
 zero watt.
 maximum power.
 a few watt.

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Electric Circuits
Power dissipation in ideal inductor is

 A finite value
 Maximum
 Minimum
 Zero

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Electric Circuits
Purpose of using capacitor is / are

 all of these.
 increase p.f of inductive load circuit.
 effect DC filter in electronic circuit.
 to do phase split in AC 1 phase motor.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 0.5 kΩ, 2 W.
 2 kΩ, 0.5 W.
 1 kΩ, 1 W.
 2 kΩ, 1 W.

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 1.25 Ohm and 3.25 Ohm.
 2 Ohm and 2.5 Ohm.
 1.5 Ohm and 3 Ohm.
 2.2 Ohm and 2.3 Ohm.

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MORE MCQ ON Electric Circuits

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