JEE Main 4 Apr 2024 Shift 1 Solved Paper

Section: Physics

Question : 45 of 90

Marks: +1, -0

To measure the internal resistance of a battery, potentiometer is used. For R=10Ω, the balance point is observed at ℓ=500‌cm and for R=1Ω the balance point is observed at ℓ=400‌cm. The internal resistance of the battery is approximately:

[4 Apr 2024 Shift 1]

0.2Ω
0.4Ω
0.1Ω
0.3Ω

Validate

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