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What Do You Mean by a Rheostat? - Physics

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Question

What do you mean by a rheostat?
One Line Answer

Solution

A rheostat is a device used in electric circuit to regulate current without changing the voltage source. It is also called variable resistance.
 
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Chapter 4: Current Electricity - Exercise 4.1 ii [Page 174]

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Frank Physics - Part 2 [English] Class 10 ICSE
Chapter 4 Current Electricity
Exercise 4.1 ii | Q 9 | Page 174
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