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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
For the same peak value, which of the following wave has the least mean value?

Triangular wave
Half wave rectified sine wave
Sine wave
Square wave

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AC Fundamentals, Circuit and Circuit Theory
Power factor of an inductive circuit is usually improved by connecting capacitor to it in

Both parallel and series
Series
None of the listed here
Parallel

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AC Fundamentals, Circuit and Circuit Theory
For a frequency of 200 Hz, the time period will be

0.5 s
0.05 s
0.005 s
0.0005 s

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AC Fundamentals, Circuit and Circuit Theory
Which of the following coil will have large resonant frequency?

A coil with large resistance
A coil with low distributed capacitance
A coil with large distributed capacitance
A coil with low resistance

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AC Fundamentals, Circuit and Circuit Theory
Ohm is unit of all of the following except

Resistance
Inductive reactance
Capacitive reactance
Capacitance

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

Low efficiency
Unity power factor
Maximum load current
High power factor

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