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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The double energy transient occur in the

R-L-C circuit
R-L circuit
R-C circuit
Purely inductive circuit

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AC Fundamentals, Circuit and Circuit Theory
In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will

Be four times at high
Be reduced by half
Be doubled
Be reduced to one fourth

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

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

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AC Fundamentals, Circuit and Circuit Theory
In AC. circuits, laminated iron is invariably used in order to

Reduce circuit permeability
Reduce eddy current loss
Make assembly cheap and easier
Increase heat radiation

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AC Fundamentals, Circuit and Circuit Theory
The frequency of domestic power supply in India is

150 Hz
50 Hz
200 Hz
250 Hz

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

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

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