Question

it is observed in a potential metre experiment that no current passes through the Galvanometer when the terminals of the cell are connected across a certain length of the Potentiometer wire on shunting the cell by a 2 ohm resistance the balancing length is reduced to half the internal resistance of he cell is

Options:
1. 9 ohm
2. 2 ohm
3. 18 ohm
4. 4 ohm​

Answer 1

Answer:

yes the 18ohm is correct