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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
Form Factor is the ratio of

Average value/peak value
r.m.s. value/average value
r.m.s. value/peak value
Average value/r.m.s. value

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

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

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AC Fundamentals, Circuit and Circuit Theory
For a sine wave with peak value Emax ___________ the average value is

0.434 Emax
0.707 Emax
0.636 Emax
None of the listed here

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

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

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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
All of the listed here
Capacitance only
Resistance only

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AC Fundamentals, Circuit and Circuit Theory
Form factor for a sine wave is

1.414
0.707
1.11
0.637

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