NEET Physics Resonance MCQ Question
Consider a series RLC circuit connected to an AC source. Describe a setup where a variable capacitor is used to achieve resonance in this circuit. What happens to the current amplitude when resonance is achieved?
The current amplitude reaches its maximum value.
The current amplitude becomes zero.
The current amplitude reaches its minimum value.
The current amplitude becomes infinite.
Correct Answer
Detailed Explanation
Resonance in an RLC circuit occurs when the capacitive and inductive reactances cancel each other, leading to maximum current amplitude as described in the NCERT context.
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