resonance condition

Question

At resonance in series RLC circuit current is maximum because:

RankGuru · Accepted Answer

In a series RLC circuit, the current is $I = V/Z$. 
- Resonance occurs when $X_L = X_C$, which means $\omega L - 1/(\omega C) = 0$.
- At this point, the impedance $Z = \sqrt{R^2 + 0^2} = R$.
- Since $R$ is the absolute minimum possible value for $Z$, the current $I = V/R$ reaches its **maximum amplitude**.

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resonance condition

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