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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
In a parallel R-C circuit, the current always _________the applied voltage.

Lags
Remains in phase with
None of the listed here
Leads

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AC Fundamentals, Circuit and Circuit Theory
In any A.C. circuit always

Reactive power is more than actual power
Apparent power is more than actual power
Reactive power is more than apparent power
Actual power is more than reactive power

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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
0.707
1.414 Imax
0.9

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

None of the listed here
Resistance only
Capacitance only
Inductance only

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

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

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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
Apparent power
Active power
None of the listed here

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