Physics · Current Electricity
A battery of emf 10 volts and internal resistance 3 Ω is connected to an external resistor. If the current in the circuit is 0.5 A, what is the resistance of the external resistor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 114 Ω
- 217 Ω✓
- 320 Ω
- 47 Ω
Correct answer
17 Ω
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