Question:
In an L-C-R series circuit, at resonance, the phase difference between current and voltage is:
In an L-C-R series circuit, at resonance, the phase difference between current and voltage is:
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At resonance, impedance Z = Resistance R.
Updated On: Apr 10, 2026
- $\pi$
- $\pi/2$
- zero
- $\pi/4$
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The Correct Option is C
Solution and Explanation
Step 1: Concept
Resonance occurs when inductive reactance ($X_{L}$) equals capacitive reactance ($X_{C}$).
Step 2: Analysis
At resonance, the net reactance is zero, making the circuit purely resistive.
Step 3: Conclusion
In a purely resistive circuit, current and voltage are in phase, so the phase difference is zero.
Final Answer: (C)
Resonance occurs when inductive reactance ($X_{L}$) equals capacitive reactance ($X_{C}$).
Step 2: Analysis
At resonance, the net reactance is zero, making the circuit purely resistive.
Step 3: Conclusion
In a purely resistive circuit, current and voltage are in phase, so the phase difference is zero.
Final Answer: (C)
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