Question:
The power dissipated in the circuit shown in the figure is 30W. The value of R is
The power dissipated in the circuit shown in the figure is 30W. The value of R is
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Total power in parallel circuits equals sum of powers in each branch.
Updated On: Mar 18, 2026
- 20Ω
- 15Ω
- 10Ω
- 30Ω
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The Correct Option is C
Solution and Explanation
Step 1: Both resistors are in parallel across 10V.
Step 2: P=V²((1)/(R)+(1)/(5))
Step 3: 30=100((1)/(R)+0.2) (1)/(R)=0.1 R=10Ω
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