AC Fundamentals, Circuit and Circuit Theory
Power factor of the system is kept high

To maximize the utilization of the capacities of generators, lines and transformers
To reduce line losses
To reduce voltage regulation of the line
All of the listed here

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AC Fundamentals, Circuit and Circuit Theory
In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value

Will change the maximum value of current at resonance
Will increase the selectivity of the circuit
Will change the impedance at resonance frequency
Will change the resonance frequency

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