AC Fundamentals, Circuit and Circuit Theory
Pure inductive circuit

Consumes some power on average
None of the listed here
Does not take power at all from a line
Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle

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AC Fundamentals, Circuit and Circuit Theory
Time constant of an inductive circuit

Increases with the decrease of inductance and decrease of resistance
Increases with increase of inductance and decrease of resistance
Increases with the increase of inductance and the increase of resistance
Increases with decrease of inductance and increase of resistance

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