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

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

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AC Fundamentals, Circuit and Circuit Theory
Capacitive reactance is more when

Capacitance is less and frequency of supply is less
Capacitance is more and frequency of supply is more
Capacitance is more and frequency of supply is less
Capacitance is less and frequency of supply is more

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

The current through each element is same
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 any one element is less than the source current

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AC Fundamentals, Circuit and Circuit Theory
A phasor is

A colored tag or band for distinction between different phases of a 3-phase supply
An instrument used for measuring phases of an unbalanced 3-phase load
A line which represents the magnitude and phase of an alternating quantity
A line representing the magnitude and direction of an alternating quantity

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