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Electric Circuits

Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.5 A.
 1 A.
 0.318 A.
 0.637 A.

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Electric Circuits
Unit of apparent power is

 Watts.
 KWhr.
 VAR.
 VA.

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 L = 3.316 mH, C = 0.0132 μF.
 L = 3.316 mH, C = 132 μF.
 None of these.
 L = 0.0132 mH, C = 0.0132 μF.

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Electric Circuits
Which cell has the reversible chemical reaction?

 Silver oxide.
 Carbon Zinc.
 Mercury oxide.
 Lead acid.

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 1 A.
 0.1 A.
 0.316 A.
 0.01 A.

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Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 2A
 10A
 5A
 0A

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