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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.
 1.11.
 1.15.
 0.

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Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 100 Ohms.
 50 Ohms.
 400 Ohms.
 200 Ohms.

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Electric Circuits
The mass of a proton is

 1.675 × 10 - 27 Kg.
 1.609 × 10 - 31 Kg.
 1.672 × 10 - 27 Kg.
 1.602 × 10 - 19 Kg.

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 1.5 μF.
 1.5 F.
 0.015 F.
 15 μF.

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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.
 4.
 0.25.
  2.

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Electric Circuits
Unit step function is first derivative of

 ramp function.
 impulse function.
 parabolic function.
 gate function.

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MORE MCQ ON Electric Circuits

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