AP EAMCET · PHYSICS · Electromagnetic Induction
An inductor is connected to an ac source of frequency 50 \(\mathrm{Hz}\). The frequency of the instantaneous power developed in the circuit is
- A \(25 \mathrm{~Hz}\)
- B \(50 \mathrm{~Hz}\)
- C \(100 \mathrm{~Hz}\)
- D \(200 \mathrm{~Hz}\)
Answer & Solution
Correct Answer
(C) \(100 \mathrm{~Hz}\)
Step-by-step Solution
Detailed explanation
For \(\mathrm{AC}\) circuit containing inductor only. \(\begin{aligned} & I=I_0 \sin \omega t \\ & V=V_0 \sin \left(\omega t+\frac{\pi}{2}\right)=V_0 \cos \omega t\end{aligned}\) So, power, \(\mathrm{P}=\mathrm{VI}\)…
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