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AC Fundamentals, Circuit and Circuit Theory

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

Square wave
Oscillating
Sinusoidal
Non-oscillating

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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

0°
90°
180°
360°

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AC Fundamentals, Circuit and Circuit Theory
The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is

10 kVAR
16 kVAR
12 kVAR
8 kVAR

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AC Fundamentals, Circuit and Circuit Theory
All the rules and laws of D.C. circuit also apply to A.C. circuit containing

Capacitance only
Inductance only
All above
Resistance only

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

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

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AC Fundamentals, Circuit and Circuit Theory
The time constant of a series R-C circuit is given by

R/C
RC2
RC
R2C

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