Physics · Current Electricity
The internal resistance of a 2.1 V cell which delivers a current of 0.2 A through an external resistance of 10 Ω is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.0 Ω
- 20.8 Ω
- 30.5 Ω✓
- 40.2 Ω
Correct answer
0.5 Ω
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