Question:

A potentiometer wire of length 1 m has a resistance of 10

Last updated: 6/11/2023

A potentiometer wire of length 1 m has a resistance of 10

A potentiometer wire of length 1 m has a resistance of 10 ohm It is connected in series with a resistance R and a cell of emf 3 V and negligible internal resistance A source of emf 10 mV is balanced against a length of 60 m of the potentiometer wire Find the volue of R