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Electric Circuits

Electric Circuits
Select the wave that has the least value of form factor.

 Triangular wave.
 Square wave.
 Rectangular wave.
 Sine wave.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be

 20.2o.
 28.8o.
 40.4o.
 32.1o.

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Electric Circuits
Which of the following lamp has least resistance ?

  25 W, 220 V.
  200 W, 220 V.
 100 W, 220 V.
  60 W, 220 V.

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Electric Circuits
In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit?

 0A
 20A
 5A
 10A

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Electric Circuits
A capacitor

 passes AC but blocks DC.
 passes DC but blocks AC.
 blocks both AC and DC.
 passes both AC and DC.

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Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 100 Hz.
 50 Hz.
 10 kHz.
 1000 Hz.

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MORE MCQ ON Electric Circuits

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