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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
Inductance affects the direct current flow

Only at the time of turning on
Only at the time of turning off
At the time of turning on and off
At all the time of operation

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AC Fundamentals, Circuit and Circuit Theory
The safest value of current the human body can carry for more than 3 second is

4 mA
9 mA
5 mA
15 mA

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AC Fundamentals, Circuit and Circuit Theory
All definitions of power factor of a series R-L-C circuit are correct except

Ratio of net reactance and impedance
Ratio of W and VA
Ratio of kW and kVA
Ratio of J and Z

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AC Fundamentals, Circuit and Circuit Theory
For the same peak value which of the following wave will 'have the highest r.m.s. value?

Sine wave
Half wave rectified sine wave
Square wave
Triangular wave

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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
Resistive
Capacitive
Inductive

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AC Fundamentals, Circuit and Circuit Theory
Which of the following statements pertains to resistors only?

Can act as energy storage devices
Can dissipate considerable amount of power
Oppose sudden changes in voltage
Connecting them in parallel increases the total value

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