Question:
A coil of self-inductance L is connected in series with a bulb B and an AC source. Brightness of the bulb decreases when
A coil of self-inductance L is connected in series with a bulb B and an AC source. Brightness of the bulb decreases when
Updated On: Apr 21, 2025
- Frequency of the AC source is decreased
- Number of turns in the coil is reduced
- A capacitance of reactance $X_c= X_L$, is included in the same circuit
- An iron rod is inserted in the coil
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The Correct Option is D
Solution and Explanation
The correct option is (D): An iron rod is inserted in the coil
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