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Electric Circuits

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

 10 kHz.
 50 Hz.
 1000 Hz.
 100 Hz.

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Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 11 W.
 1 W.
 24.5 W.
 21 W.

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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 current in R is

 5.08 A.
 10.16 A.
 2.54 A.
 1.27 A.

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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

 28.8o.
 32.1o.
 20.2o.
 40.4o.

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Electric Circuits
The alternative names for active power is/are

 real power.
 true power.
 average power.
All of these

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Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 zero
 unity
 lagging
 leading

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MORE MCQ ON Electric Circuits

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