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AC Fundamentals, Circuit and Circuit Theory

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

8 kVAR
16 kVAR
12 kVAR
10 kVAR

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

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

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

Minimum
Zero
None of these
Maximum

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AC Fundamentals, Circuit and Circuit Theory
When an alternating current passes through an ohmic resistance the electrical power converted into heat is

Active power
Apparent power
None of the listed here
Reactive power

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AC Fundamentals, Circuit and Circuit Theory
Pure inductive circuit takes power from the A.C. line when

Both applied voltage and current decrease
Applied voltage decreases but current increases
Both applied voltage and current increase
Applied voltage increases but current decreases

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AC Fundamentals, Circuit and Circuit Theory
Which of the following circuit component opposes the change in the circuit voltage ?

Conductance
Inductance
Capacitance
Resistance

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