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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The r.m.s. value of pure cosine function is

0.707 of peak value
Zero
Same as peak value
0.5 of peak value

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AC Fundamentals, Circuit and Circuit Theory
In an A.C. circuit power is dissipated in

Resistance only
None of the listed here
Capacitance only
Inductance only

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AC Fundamentals, Circuit and Circuit Theory
Two waves of the same frequency have opposite phase when the phase angle between them is

180°
360°
90°
0°

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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
Capacitors for power factor correction are rated in

kW
kVAR
kV
kVA

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AC Fundamentals, Circuit and Circuit Theory
Form factor for a sine wave is

1.11
0.637
1.414
0.707

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