What is rheostat? explain its functions
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4
hey,
*it is an electrical instrument used to control a current by varying the resistance.
fucntion:
A rheostat is a variable resistor. By changing the resistance you can control the current flowing through it. This can then be used to control downstream devices like transistors or lamps. Dimmer switches on incandescent lights are rheostats.
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3
A rheostat is device which is connected in series. It is a variable resistance means we can change its resistance by adjusting the slider to where we want.
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