What is the function of rheostat
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A rheostat is a variable resistor that is used to alter the amount of voltage or current in a circuit. Rheostats make possible functions of electronics such as light dimmers and volume dials.
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Rheostat controls the resistance in circuit.
In circuit to avoid excessive flow of current resistance is required which prevents overloading of current and also short circuiting which is done by rheostat.
In circuit to avoid excessive flow of current resistance is required which prevents overloading of current and also short circuiting which is done by rheostat.
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