AP EAMCET · PHYSICS · Alternating Current
An inductor and a resistor are connected in series to an ac source of variable frequency. When the frequency of the applied ac is \(50 \mathrm{~Hz}\), the power factor of the circuit is \(\frac{\sqrt{3}}{2}\). If the frequency of the ac is increased by \(200 \%\), the power factor of the circuit is ____.
- A \(0.8\)
- B \(0.9\)
- C \(0.7\)
- D \(0.5\)
Answer & Solution
Correct Answer
(D) \(0.5\)
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