Question:
A resistor and an inductor are connected to an AC supply of 120V and 50Hz. The current in the circuit is 3A. If the power consumed is 108W, then the resistance in the circuit is:
A resistor and an inductor are connected to an AC supply of 120V and 50Hz. The current in the circuit is 3A. If the power consumed is 108W, then the resistance in the circuit is:
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Only resistance dissipates power in AC circuits.
Updated On: Mar 20, 2026
- \(12\,\Omega\)
- \(40\,\Omega\)
- \(\sqrt{(52\times25)}\,\Omega\)
- 360Ω
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Power in AC circuit: P=I²R
Step 2: R=(P)/(I²)=(108)/(9)=12Ω
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