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Electric Circuits

Electric Circuits
Capacitor does not allow the sudden change of

 voltage
 current
None of these
 power

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Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10- 6 μF.
 10 3 μF.
 10 6 μF.
 10- 3 μF.

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Electric Circuits
Resistor stores the energy in the form of

 magnetic field.
None of these
 electrical field.
 both A and B.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 more than 10000 volts.
 20 to 60 volts.
 2000 to 3000 volts.
 200 to 1600 volts.

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Electric Circuits
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will

  decrease.
  remain constant.
  increase.
  none of these.

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

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

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MORE MCQ ON Electric Circuits

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