AC Fundamentals, Circuit and Circuit Theory
The time constant of the capacitance circuit is defined as the time during which voltage

Rises to 38.6% of its final steady value
Falls to 36.8% of its final steady value
Rises to 63.2% of its final steady value
None of these

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AC Fundamentals, Circuit and Circuit Theory
Which of the following refers to a parallel circuit?

The current through any one element is less than the source current
The equivalent resistance is greater than any one of the resistors
The voltage across element is in proportion to it's resistance value
The current through each element is same

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AC Fundamentals, Circuit and Circuit Theory
The frequency of an alternating current is

The speed with which the alternator runs
The number of cycles generated in one minute
The number of electrons passing through a point in one second
The number of waves passing through a point in one second

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