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

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

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AC Fundamentals, Circuit and Circuit Theory
In a R-L-C circuit

Exchange of power takes place between inductor and supply line
Exchange of power takes place between capacitor and supply line
Power is consumed in resistance and is equal to IR
All of the listed here

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