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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
Power factor of the following circuit will be zero

Inductance
Capacitance
Both of the listed here
Resistance

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AC Fundamentals, Circuit and Circuit Theory
The r.m.s. value and mean value is the same in the case of

Triangular wave
Half wave rectified sine wave
Sine wave
Square wave

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AC Fundamentals, Circuit and Circuit Theory
In a highly capacitive circuit the

Actual power is more than its reactive power
Reactive power is more than the actual power
Reactive power is more than the apparent power
Apparent power is equal to the actual power

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AC Fundamentals, Circuit and Circuit Theory
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is

16 kVAR
12 kVAR
10 kVAR
8 kVAR

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AC Fundamentals, Circuit and Circuit Theory
Time constant of a circuit is the time in seconds taken after the application of voltage to each

50% of maximum value
63% of maximum value
25% of maximum value
90% of the maximum value

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AC Fundamentals, Circuit and Circuit Theory
In any A.C. circuit always

Reactive power is more than actual power
Actual power is more than reactive power
Reactive power is more than apparent power
Apparent power is more than actual power

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MORE MCQ ON AC Fundamentals, Circuit and Circuit Theory

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