Electric Circuits
A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest?

 1 Hz.
 10 Hz.
 100 Hz.
 1000 Hz.

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Electric Circuits
What is referred as the average value in AC opearation?

 Average of all values of the phase sequences.
 Average of all values of an alternating quantity.
  Average of all values of an alternating quantity over a complete cycle.
 Average of all values of the (+)ve and (-)ve half.

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