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ELECTRIC CIRCUITS

Electric Circuits
Which of the following lamp has least resistance ?

  60 W, 220 V.
  25 W, 220 V.
 100 W, 220 V.
  200 W, 220 V.

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Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 200 Ω.
 1 Ω.
 4 kΩ.
 400 Ω.

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Electric Circuits
The resistance of 100 W, 200 V lamp is

 1600 Ω.
 800 Ω.
 400 Ω.
 200 Ω.

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Electric Circuits
Purpose of using capacitor is / are

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

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 1 microfarad.
 20 microfarad.
 8 microfarad.
 3.2 microfarad.

ANSWER DOWNLOAD EXAMIANS APP
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