NEET 2009Medium
Q.In potentiometer, to measure internal resistance of a cell, the balancing length without resistance box is 600 cm and with resistance box is 500 cm. The internal resistance is
a
2 Ω
b
1 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...