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Electric Circuits

Electric Circuits
In foster 1 form 1st element is

 capacitor.
 none.
 inductor.
 both.

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Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 50 ohms.
 500 ohms.
 1000 ohms.

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

  0.5.
  2.
 0.25.
 4.

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Electric Circuits
In a series resonant circuit impedance is

 none of these.
 zero.
 maximum.
 minimum.

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Electric Circuits
Common impurity in battery electrolyte is

 iron.
 dust.
 lead sulfate.
 sodium chloride.

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Electric Circuits
Magnetic flux has the unit of

 Newton
 Weber
  Tesla
 Ampere turn

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MORE MCQ ON Electric Circuits

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