Question

on determining the resistance of a given wire with the help of a metre Bridge The null point is obtained at a distance of 40 cm on taking out to home resistance from a resistance box. What is the resistance of the wire? to obtain the resistance at a distance of 60cm What will be the resistance in our home will have to be taken out from the resistance box? ​

Answer 1

Answer:

Explanation: in metre bridge R1 L1 = R2 L2

         apply for first case and second cases take their ratio to get the answer

                    hope u get it n let me know