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Electric Circuits

Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 12 W.
 2 W.
 8 W.
 4 W.

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Electric Circuits
A paper capacitor is usually available in form of

 tubes.
 disc.
 meshed plates.
 rolled foil.

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Electric Circuits
In the given figure, the Thevenins equivalent voltage and impedance as seen from the terminals P - Q is given by

 4 V and 5 Ω.
 4 V and 7.5 Ω.
 2 V and 5 Ω.
 2 V and 7.5 Ω.

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

 leading
 unity
 any of the above
 lagging

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Electric Circuits
If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be

 9.67 μF.
 3 μF.
 2.21 μF.
 6 μF.

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Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 - 4 W.
 4 W.
 2 W.
 - 2 W.

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MORE MCQ ON Electric Circuits

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