Question

what's difference between variable resistance and rheostat​

Answer 1

Answer:

Rheostat:

A rheostat is a variable resistor used to control current by varying the resistance .

Variable resistor :

Variable resistor is an electrical component used to vary the amount of current that flows through the circuit.

Answer 2

Answer:

variable resistance is the resistance of a resistor .When two terminals are used it functions as a variable resistance and hence is called rheostat , it is used to control varying resistance.

hope it  helps..