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Question: Answered & Verified by Expert
In series LCR circuit, the voltage across the inductance and the capacitance are not
PhysicsAlternating CurrentMHT CETMHT CET 2023 (11 May Shift 1)
Options:
  • A out of phase with the voltage across the resistance by $90^{\circ}$.
  • B equal in magnitude at resonance.
  • C out of phase with each other by $180^{\circ}$.
  • D in phase with the source voltage.
Solution:
1777 Upvotes Verified Answer
The correct answer is: in phase with the source voltage.
In an LCR circuit, the inductor (L) and capacitor (C) introduce phase shifts in the current compared to the source voltage due to their reactive properties. The inductor causes a phase shift of +90 degrees, leading the voltage, while the capacitor causes a phase shift of -90 degrees, lagging the voltage. Thus, voltage across $\mathrm{L}$ and $\mathrm{C}$ are not in phase with the source voltage.

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