In the left gap of a metre bridge there is a coil of copper

Last updated: 6/24/2023

In the left gap of a metre bridge there is a coil of copper and in the right gap there is a fixed resistance If the coil of copper is dipped in ice the balance point is obtained at 41 2 cm of the bridge wire Next the coil is taken off from ice and placed in a container of hot water Now the balance point is shifted by a distance 8 1 cm towards right What is the temperature of hot water Temperature coefficient of resistance of 125 x 10 4 C 1 18