AP EAMCET · PHYSICS · Electromagnetic Induction
An inductor and a resistor are connected in series to an ac source. If the power factor of the circuit is 0.5 , the ratio of the resistance of the resistor and the reactance of the inductor is
- A \(1:1\)
- B \(1: \sqrt{2}\)
- C \(1: \sqrt{3}\)
- D \(1: 2\)
Answer & Solution
Correct Answer
(D) \(1: 2\)
Step-by-step Solution
Detailed explanation
Power factor of the circuit \(=0.5\) \(\text { Ratio }=\frac{\mathrm{R}}{\mathrm{Z}}=0.5=\frac{1}{2}\)
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