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 change the impedance at resonance frequency
Will change the resonance frequency
Will increase the selectivity of the circuit

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

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

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AC Fundamentals, Circuit and Circuit Theory
Pure inductive circuit

None of the listed here
Consumes some power on average
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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