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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
In a series resonant circuit, the impedance of the circuit is

Zero
Minimum
None of these
Maximum

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AC Fundamentals, Circuit and Circuit Theory
The equation of 50 Hz current sine wave having r.m.s. value of 60 A is

84.84 sin 3141
42.42 sin 314 t
60 sin 25 t
60 sin 50 t

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

Inductance
Resistance
Capacitance
Both of the listed here

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AC Fundamentals, Circuit and Circuit Theory
The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be

141.4 V
111 V
100 V
282.8 V

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AC Fundamentals, Circuit and Circuit Theory
Capacitors for power factor correction are rated in

kVA
kVAR
kW
kV

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AC Fundamentals, Circuit and Circuit Theory
Which of the following waves has the highest value of peak factor ?

Square wave
Triangular wave
Sine wave
Half wave rectified sine wave

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