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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The main cause of silting up a channel,

Non-regime section
Defective head regulator
All of these
Inadequate slope

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AC Fundamentals, Circuit and Circuit Theory
In a series resonant circuit, the impedance of the circuit is

Minimum
Zero
Maximum
None of these

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AC Fundamentals, Circuit and Circuit Theory
In a highly capacitive circuit the

Reactive power is more than the actual power
Reactive power is more than the apparent power
Apparent power is equal to the actual power
Actual power is more than its reactive power

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AC Fundamentals, Circuit and Circuit Theory
The inductance of a coil can be increased by

Increasing core length
Choosing core material having high relative permeability
Decreasing the number of turns
Decreasing the diameter of the former

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AC Fundamentals, Circuit and Circuit Theory
A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to

The big size of the inductor
The current flowing in the inductor
The reactance of the inductor
The statement given is false

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AC Fundamentals, Circuit and Circuit Theory
The form factor is the ratio of

None of these
Peak value to r.m.s. value
r.m.s. value to average value
Average value to r.m.s. value

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