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RL Circuits - Technical MCQs

Q1:

Which of the following statements is true if the inductor shorts out in the circuit in the given circuit?

A Each component drops 5 V.

B The impedance equals 0 omega.gif.

C The power factor equals 1.

D The phase angle equals 90°.

ANS:C - The power factor equals 1.

No loss of energy, only true power consumes by resistive load so power factor is 1.
No, lead or lag current or storage energy there is no reactive power.
Only true power seems to convert in a proportional into heat.
PF is 1.