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Electric Circuits

Electric Circuits
Which metal is deposited for electro forming?

  Iron.
  Silver.
  Chromium.
  Nickel.

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Electric Circuits
Find the total power absorbed by the resistor in the given circuit.

 24 W.
 30 W.
 12 W.
  6 W.

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Electric Circuits
1 F is theoretically equal to

 none of these
 ratio of 1 V to 1 C
 ratio of 1 C to 1 V
 1 ohm of resistance

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Electric Circuits
Mica capacitor are characterised by all of following except

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

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  R / n2.
  n2R.
  n2 / R.
  nR .

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Electric Circuits
A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance?

 Ceramic capacitor.
 Both have identical value of capacitor.
  It is impossible to conclude on the basis of information supplied.
 Mica capacitor.

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