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

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

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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
A line which represents the magnitude and phase of an alternating quantity
An instrument used for measuring phases of an unbalanced 3-phase load
A line representing the magnitude and direction of an alternating quantity

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AC Fundamentals, Circuit and Circuit Theory
Poor power factor

Reduces load handling capability of electrical system
Results in more power losses in the electrical system
All of the listed here
Overloads alternators, transformers and distribution lines

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