Question

Which Metal Is Used In Potentiometer?

Answer 1

1. The potentiometer is made from palladium or platinum
2. In order to achieve a reliability of the contacts at low brush pressures and for long life
3. The potentiometer is made up of either 10% of rhodium platinum or 20% of copper platinum.
4. To provide the required resistance.
5. The face of the windings is rolled in a circular track by the brushes of platinum-gold-silver alloy wire.
6. They are soldered end to end by beryllium copper wires such that the contact area does not increase the wear.
7. The slip rings made of copper palladium are used with platinum gold silver brushes.
8. The diameter is only 1 to $\raisebox{1ex}{$5$}\!\left/ \!\raisebox{-1ex}{$8$}\right.$ inches