Physics · Current Electricity
When two identical batteries of internal resistance 1 Ω each are connected in series across a resistor R, the rate of heat produced in R is P1. When the same batteries are connected in parallel across R, the rate of heat produced is P2. If P1 = 2.25P2, then the value of R is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 Ω
- 210 Ω
- 34 Ω✓
- 42 Ω
Correct answer
4 Ω
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