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Electric Circuits

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

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

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Electric Circuits
Our household apparatus are connected in

 series.
 cascade.
 series and parallel combination.
 parallel.

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Electric Circuits
What is the relation between line voltage and phase voltage in case of delta connection?

 VL = √3 VP.
 None of these.
 VL = 1/ √3 VP.
 VL = VP.

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Electric Circuits
A paper capacitor is usually available in form of

 meshed plates.
 rolled foil.
 disc.
 tubes.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Over damping
 Critical damping
 Under damping
 Undamping

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (4 + j2 ) pu
 (2 + j4) pu
 (3 + j4) pu
 (4 + j3) pu

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MORE MCQ ON Electric Circuits

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