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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
In a purely inductive circuit

Actual power is zero
None of the listed here
Apparent power is zero
Reactive power is zero

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AC Fundamentals, Circuit and Circuit Theory
At __________ frequencies the parallel R-L circuit behaves as purely resistive.

High
Very low
Low
Very high

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AC Fundamentals, Circuit and Circuit Theory
Power factor of the system is kept high

To reduce line losses
To maximize the utilization of the capacities of generators, lines and transformers
All of the listed here
To reduce voltage regulation of the line

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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

Reactive power
None of the listed here
Apparent power
Active power

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

Inductance only
Resistance only
All of the listed here
Capacitance only

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

Current
Voltage
Power
Frequency

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