Question

what is a rheostat ?? full explaination
what is resistivity ?? full explaination

Answer 1

Rheostat is a component of an electrical circuit.

It is a resistor whose resistance can be changed. i.e. it has variable resistance.

Resistivity is the tendency of an electrical component to resist the electrical current

Hope this helps

Please mark my answer as the brainliest

☮️

Answer 2

The varilable resistor is known as the rehostat..
and restivity means the power of the metal in a specific material of an electric circuit