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AC Fundamentals, Circuit and Circuit Theory

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

Sine wave
Half wave rectified sine wave
Square wave
Triangular wave

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AC Fundamentals, Circuit and Circuit Theory
In a loss-free R-L-C circuit the transient current is

Oscillating
Square wave
Sinusoidal
Non-oscillating

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

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

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AC Fundamentals, Circuit and Circuit Theory
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is

80 kW
36 kW
32 kW
40 kW

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AC Fundamentals, Circuit and Circuit Theory
Skin effect occurs when a conductor carries current at _________ frequencies.

Low
Medium
Very low
High

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AC Fundamentals, Circuit and Circuit Theory
The double energy transient occur in the

R-L-C circuit
Purely inductive circuit
R-L circuit
R-C circuit

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