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AC Fundamentals, Circuit and Circuit Theory

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

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

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

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

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AC Fundamentals, Circuit and Circuit Theory
In an AC. circuit, a low value of kVAR compared with kW indicates

Unity power factor
High power factor
Maximum load current
Low efficiency

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

Sinusoidal
Square wave
Non-oscillating
Oscillating

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AC Fundamentals, Circuit and Circuit Theory
For a sine wave with peak value Imax the r.m.s. value is

0.9
0.707
1.414 Imax
0.5 Imax

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AC Fundamentals, Circuit and Circuit Theory
The transient currents are associated with the

Applied voltage to the circuit
Changes in the stored energy in the inductors and capacitors
Impedance of the circuit
Resistance of the circuit

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