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Electric Circuits

Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?

 1A
 5A
 2A
 0A

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Electric Circuits
Condition for a balanced 3 - phase load is that, each phase has the same value of __________________.

 impedance.
 all of these.
 power factor.
 resistance.

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Electric Circuits
Purpose of using capacitor is / are

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

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Electric Circuits
When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is

 100 W.
 50 W.
 25 W.
 12.5 W.

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Electric Circuits
A branch of a network is said to be active when it consists of one

 voltage source.
 resistor.
 capacitor.
 inductor.

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 100 %.
 50 %.
 less than 50 %.
 50 % - 100 %.

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