What should be the properties of the material for the selection of potentiometer wire ?

Which material is used for potentiometer wire and why?

The wire of potentiometer is made of

The wire of potentiometer is made of

The material of wire of potentiometer is

The material of wire of potentiometer is

A battery of emf 26V and internal resistance 0.4 ohm is connected to a resistance of 10ohm and a potentiometer wire of length 10m. What is the potential gradient on the wire if the resistance of the potentiometer wire is 5 ohm –

Of what material is a potentiometer wire normally made?

A potentiometer has uniform potential gradient. The specific resistance of the material of the potentiometer wire is 10^-7 ohm metre and the current passing through it is 0.1 ampere. Cross-section of the wire is 10^-8 m^2 . The potential gradient along the potentiometer wire is