A potentiometer consists of a wire of length 10 m and

Last updated: 6/25/2023

A potentiometer consists of a wire of length 10 m and resistance 30 Q is connected in series with a battery of e m f 2 5 V and internal resistance 5 Q with external resistance R Q If the fall of potential along the potentiometer wire is 50 HV then value of R in ohm mm is 80 115 100 50