what is reostate? explain with diagram.
Answers
Answered by
1
an electrical instrument used to control a current by varying the resistance.Rheostat is an adjustable or variable resistor. It is used to control the electrical resistance of a circuit without interrupting the flow of current. Rheostat has 3 terminals and usually consist of a resistive wire wrapped to form a toroid coil with a wiper that slides along the surface of the coil.
Attachments:
18samyra:
thank
can I ask one more question
of physics
how to calculate the electricity bill current
Similar questions