Physics-RLC Circuits

NEET Physics RLC Circuits MCQ Question

Type: MCQ-diagram based-Easy-Class 12

Consider a series RLC circuit where the inductance (L) and capacitance (C) are adjusted such that the system is at resonance. Which of the following statements about the voltage across the resistor (R) is correct?

Question diagram
A

The voltage across R is equal to the source voltage.

B

The voltage across R is zero.

C

The voltage across R is equal to the voltage across L.

D

The voltage across R is equal to the voltage across C.

Correct Answer

Option A

Detailed Explanation

At resonance in a series RLC circuit, the voltages across L and C cancel each other because they are out of phase, leaving the total source voltage to appear across R.

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