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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The best place to install a capacitor is

Across the terminals of the inductive load
Very near to inductive load
Far away from the inductive load
Any of the listed here

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AC Fundamentals, Circuit and Circuit Theory
The square waveform of current has following relation between r.m.s. value and average value.

None of these
r.m.s. value of current is greater than average value
r.m.s. value of current is less than average value
r.m.s. value is equal to average value

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

Oscillating
Non-oscillating
Square wave
Sinusoidal

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AC Fundamentals, Circuit and Circuit Theory
In a pure inductive circuit

The current leads the voltage by 90°
The current can lead or lag by 90°
The current is in phase with the voltage
The current lags behind the voltage by 90°

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

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

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AC Fundamentals, Circuit and Circuit Theory
In a series L-C circuit at the resonant frequency the

Impedance is maximum
Current is maximum
Voltage across C is minimum
Current is minimum

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