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Electric Circuits

Electric Circuits
In the figure given, the value of R is

 24 Ω.
 18 Ω.
 12 Ω.
 10 Ω.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 5000 ohms, 100W.
 10000 ohms, 10 W.
 10 ohm, 50 W.
 1000000 ohms, 1 W.

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Electric Circuits
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

 0.625 × 1019
 0.625 × 10 - 19
 1.6 × 1019
 1.6 × 10 - 19

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Air capacitor.
 Electrolytic capacitor.
 Glass capacitor.
 Mica capacitor.

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Electric Circuits
In which braking back emf exceeds supply voltage?

  Regenerative.
  Dynamic.
  None of these.
  Plugging.

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 11.3 Ω.
 27.4 Ω.
 13.7 Ω.
 9.6 Ω.

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MORE MCQ ON Electric Circuits

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