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Electric Circuits

Electric Circuits
What would be the power given by source V2?

 10 W.
 5 W.
 0 W.
 - 5 W.

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Electric Circuits
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q2 / d.
  Q × d.
  Q2 × d.
  Q / d2.

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Electric Circuits
A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest?

 100 Hz.
 1 Hz.
 10 Hz.
 1000 Hz.

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Electric Circuits
Which of the following defined the average value ?

 Charge transfer
 Heating effect
 Current
 Voltage

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Electric Circuits
KCL works on the principle of which of the following

None of these
 law of conservation of energy.
 both.
 law of conservation of charge.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 in 3 parallel rows each row having 4 cells in series.
 all 12 in parallel.
 all 12 in series.
 in 4 parallel rows each row having 3 cells in series.

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