Question
Wed September 30, 2009 By:

What is rheostat? Can you explain me in details?

Expert Reply
Wed September 30, 2009

A rheostat is an electrical component that has an adjustable resistance. It is a type of potentiometer that has two terminals instead of three. The two main types of rheostat are the rotary and slider. The symbol for a rheostat is a resistor symbol with an arrow diagonally across it.

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