Question

what is meant by rheostat ?​

Answer 1

here is your answer mate......

The variable resistance is called a rheostat.

hope it helps you.....

Answer 2

Answer:an electrical instrument used to control a current by varying the resistance

Explanation:used in applications that require the adjustment of current or the varying of resistance in an electric circuit. The rheostat can adjust generator characteristics, dim lights, and start or control the speed of motors.an electrical instrument used to control a current by varying the resistance