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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave?

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

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AC Fundamentals, Circuit and Circuit Theory
The main cause of silting up a channel,

All of these
Inadequate slope
Non-regime section
Defective head regulator

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AC Fundamentals, Circuit and Circuit Theory
Form Factor is the ratio of

Average value/r.m.s. value
r.m.s. value/average value
r.m.s. value/peak value
Average value/peak value

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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

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

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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
100 V
111 V
282.8 V

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AC Fundamentals, Circuit and Circuit Theory
In a circuit containing R, L and C, power loss can take place in

Resistance only
Inductance only
All of the listed here
Capacitance only

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