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Electric Circuits

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

 - 2 W.
 2 W.
 4 W.
 - 4 W.

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Electric Circuits
Purpose of using capacitor is / are

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

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Electric Circuits
When the battery is being charged, the terminal voltage decreases with

 none of these.
 increasing state of charge.
 increasing temperature.
 increasing charging rate.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 (1 / G1 + 1 / G2 + 1 / G3) - 1.
 1 / G1 + 1 / G2 + 1 / G3.
 (G1 + G2 + G3) - 1.
 G1 + G2 + G3.

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Electric Circuits
The current in the resistor R shown in figure will be

 0.6 A.
 0.2 A.
 0.4 A.
 0.8 A.

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Electric Circuits
What is called the frequency in AC operation?

 No. of wave made per second.
 No. of (+) ve quadrature made per second.
 No. of (-) ve quadrature made per second.
 No. of cycles made per second.

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