Mathematics · Current Electricity
The balancing length for a cell in open circuit is 55 cm. When a resistance R = 10 Ω is connected across the cell, the balancing length reduces to 50 cm. What is the internal resistance of the cell?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.4 Ω
- 21 Ω✓
- 30.2 Ω
- 40.5 Ω
Correct answer
1 Ω
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