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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 maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes.

 0.494 A.
 1.414 A.
 0.741 A.
 1.57 A.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 1 Ω.
 2 Ω.
 4 Ω.
 3 Ω.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 15.92 Ω.
 31.84 Ω.
 63.68 Ω.
 7.96 Ω.

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Electric Circuits
Bulb in street lighting are connected in

 parallel.
 series parallel.
 end of end.
 series.

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

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