AC Fundamentals, Circuit and Circuit Theory
Inductance of a coil Varies

Inversely as the length of the iron path
Both of the listed here
Directly as the cross-sectional area of magnetic core
None of the listed here

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AC Fundamentals, Circuit and Circuit Theory
Time constant of a capacitive circuit

Increases with the decrease of capacitance and increase of resistance
Increase with increase of capacitance and increase of resistance
Increases with the decrease of capacitance and decrease of resistance
Increases with the increase of capacitance and decrease of resistance

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

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

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