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Electric Circuits

Electric Circuits
A paper capacitor is usually available in form of

 tubes.
 rolled foil.
 disc.
 meshed plates.

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Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 5 A
 23.33 A
 3.33 A
 1 A

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel C.
 Series C.
 Series L.
 Parallel L.

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 6/8W.
 7.5 W.
 1 W.
 9/8 W.

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

 resistance.
 all of these.
 power factor.
 impedance.

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Electric Circuits
Under resonance condition the power factor of a system is

 lagging
 unity
 leading
 any of the above

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MORE MCQ ON Electric Circuits

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