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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
Which of the following waves has the highest value of peak factor ?

Square wave
Sine wave
Half wave rectified sine wave
Triangular wave

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

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

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AC Fundamentals, Circuit and Circuit Theory
At very low frequencies a series R-C circuit behaves as almost purely

Resistive
None of the listed here
Inductive
Capacitive

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

Resistance
Capacitance
Conductance
Inductance

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AC Fundamentals, Circuit and Circuit Theory
The power factor of a D.C. circuit is always

Greater than unity
Zero
Unity
Less than unity

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AC Fundamentals, Circuit and Circuit Theory
The voltage of domestic supply is 220 V. This figure represents

Peak value
Mean value
Average value
R.m.s. value

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