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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The double energy transient occur in the

R-L-C circuit
R-L circuit
Purely inductive circuit
R-C circuit

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

Resistance
Both of the listed here
Inductance
Capacitance

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AC Fundamentals, Circuit and Circuit Theory
The purpose of a parallel circuit resonance is to magnify

Voltage
Current
Frequency
Power

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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

16 kVAR
8 kVAR
12 kVAR
10 kVAR

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AC Fundamentals, Circuit and Circuit Theory
The square waveform of current has following relation between r.m.s. value and average value.

r.m.s. value of current is less than average value
r.m.s. value is equal to average value
None of these
r.m.s. value of current is greater than average value

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AC Fundamentals, Circuit and Circuit Theory
For a sine wave with peak value Imax the r.m.s. value is

0.5 Imax
0.9
0.707
1.414 Imax

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MORE MCQ ON AC Fundamentals, Circuit and Circuit Theory

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