NEET 2025 PatternMedium
Q.In a potentiometer experiment, balancing length for a cell is 150 cm. When a 2 Ω resistance is connected in series with the cell, balancing length becomes 100 cm. The internal resistance of the cell is
a
1 Ω
b
2 Ω
c
3 Ω
d
4 Ω
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...