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QNEET-2023-Ph-342: NEET 2023 Physics - Class 12 NEET-2023-Ph-342 Solution: The emf of a cell having internal resistance \(1 \) is balanced …
The emf of a cell having internal resistance is balanced against a length of 330 cm on a potentiometer wire. When an external resistance of is connected across the cell the balancing length will be: 220 cm 330 cm 115 cm 332 cm
Multiple Choice Options
- A 220 cm
- B 330 cm
- C 115 cm
- D 332 cm
Step-by-Step Verified Solution
r = ( _ o _ _ c _ c ) R 1 = ( 330 _ _ c _ c ) _ 2 3 _ c = 660 _ c = 220 cm