Q. The Wire material used in Rheostat is …………………………..?
Solution:
Rheostats are variable resistors or adjustable resistors. These are used to divide the voltage or control the current through circuit.
Materials used for making rheostats are high resistivity conducting materials.
Following materials are used for rheostats-
Platinum
Constantan (Constantan is a copper?nickel alloy also known as Eureka, Advance, and Ferry. )
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