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CBSE - X - Physics - Electricity

What is rheostat? Can you explain me in details?

Asked by 30th September 2009, 10:38 PM
Answered by Expert


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.




Answered by Expert 30th September 2009, 11:43 PM

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