In meter bridge experiment for measuring unknown resistance '', the null point is obtained at a distance from the left side as shown at point . If is , then the value of unknown resistance '' will be _____ .

In meter bridge experiment for measuring unknown resistance '', the null point is obtained at a distance from the left side as shown at point . If is , then the value of unknown resistance '' will be _____ .

Using balanced wheatstone condition in meter bridge
Given here, .
The,
Asked in: JEE Main 2022 (27 Jul Shift 1)