and area of shown in the circuit given below Given that

Last updated: 6/26/2023

and area of shown in the circuit given below Given that resistivities of the wires PA PB Pc and Po are 22 m 62 m 12 2 m and 2 2 m respectively S 12 V H A 4V 122 H M ww 492 B 152 S Then the position of null point is 1 Mid point of wire B when both switches are open 2 Mid point of wire C when both switches are open 3 Right end of wire A when switch S is closed and S remains open