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Electric Circuits

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

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

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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.
 0.741 A.
 1.57 A.
 1.414 A.

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 1:1.
 1:2.
 4:1.
 1:8.

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Electric Circuits
Which of the following is the correct relation?

 AB-CD = 1 .
 all of these.
 AC-BD = 1.
 AD-BC = 1.

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Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 900
 250
 400
 130

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Electric Circuits
Which of the following is not a bilateral element?

 Capacitor.
 Inductor.
 Resistor.
 Diode.

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MORE MCQ ON Electric Circuits

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