Question

The inductance of an inductor becomes equal to capacitance when:

• A. Impedance is purely real
• B. Impedance is purely imaginary
• C. The resonance condition is satisfied
• D. None of the above

Hint:

In resonance, the inductive and capacitive reactances cancel each other, leading to a purely real impedance in the circuit.

Answer 1

The Correct Option is A

Step 1: Understand resonance in LCR circuits. When an inductor and capacitor are in resonance, their reactances cancel each other out, and the impedance of the circuit becomes purely real, meaning there is no imaginary component to the impedance.
Step 2: Conclusion. Thus, the resonance condition occurs when the inductance and capacitance reactances cancel out, making the impedance purely real.