Question:
At resonance in a series RLC circuit, current is
At resonance in a series RLC circuit, current is
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In series resonance, impedance is minimum and current is maximum.
Updated On: May 27, 2026
- Minimum
- Maximum
- Zero
- Infinite always
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The Correct Option is B
Solution and Explanation
Concept:
In a series RLC circuit, current is:
\[
I=\frac{V}{Z}
\]
Step 1: At resonance, impedance becomes minimum: \[ Z=R \]
Step 2: Since current is inversely proportional to impedance: \[ I=\frac{V}{Z} \]
Step 3: When \(Z\) is minimum, current becomes maximum. Therefore: \[ \boxed{\text{Maximum}} \]
Step 1: At resonance, impedance becomes minimum: \[ Z=R \]
Step 2: Since current is inversely proportional to impedance: \[ I=\frac{V}{Z} \]
Step 3: When \(Z\) is minimum, current becomes maximum. Therefore: \[ \boxed{\text{Maximum}} \]
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