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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The best place to install a capacitor is

Far away from the inductive load
Any of the listed here
Across the terminals of the inductive load
Very near to inductive load

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

None of the listed here
Capacitive
Inductive
Resistive

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AC Fundamentals, Circuit and Circuit Theory
A parallel AC. circuit in resonance will

Have a high voltage developed across each inductive and capacitive section
Have current in each section equal to the line current
Act like a resistor of low value
Have a high impedance

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AC Fundamentals, Circuit and Circuit Theory
The equation of 50 Hz current sine wave having r.m.s. value of 60 A is

60 sin 25 t
42.42 sin 314 t
60 sin 50 t
84.84 sin 3141

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AC Fundamentals, Circuit and Circuit Theory
A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second.

25 JT
5 n
50 jt
100 n

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AC Fundamentals, Circuit and Circuit Theory
Power factor of an electrical circuit is equal to

all of these
Cosine of phase angle difference between current and voltage
R/Z
Ratio of useful current to total current Iw/I

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MORE MCQ ON AC Fundamentals, Circuit and Circuit Theory

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