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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.15.
 1.11.
 0.
 1.

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Electric Circuits
The value of supply voltage for 400 W, 4 Ω load is

 200 V.
 400 V.
 20 V.
 40 V.

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Electric Circuits
Mica capacitor are characterised by all of following except

 low losses.
 accurate value.
 low leakage reactance.
 stable operation.

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Electric Circuits
The plates of lead acid storage battery are most likely to be short circuited if

 sediment collect at the bottom of the battery.
 too much water is added.
 the battery charged too slowly.
 the electrolyte evaporates.

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Electric Circuits
Current magnification will occur in which of the following case?

 Parallel resonance
 Series resonance
None of these
 Both

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Gold.
  Rubber.
  Paper.
  Germanium.

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MORE MCQ ON Electric Circuits

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