TS EAMCET · Physics · Alternating Current
At very high frequencies, the current (i) in the given circuit is
- A \(4 \mathrm{~A}\)
- B \(0.4 \mathrm{~A}\)
- C \(44 \mathrm{~A}\)
- D \(4.4 \mathrm{~A}\)
Answer & Solution
Correct Answer
(C) \(44 \mathrm{~A}\)
Step-by-step Solution
Detailed explanation
At very high frequency, \(\begin{aligned} & X_C=\frac{1}{\omega c}=0 \\ & X_L=\omega L=\infty\end{aligned}\) \(\begin{aligned} & \mathrm{R}=1+2+2=5 \mathrm{r} \\ & \text { Current, } \mathrm{i}=\frac{220}{5}=44 \mathrm{~A}\end{aligned}\)
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