Question

what is a switch? what are its uses​

Answer 1

switch is a electrical plastic device which is used to turn on and off the flow of electricity

Answer 2

$\text{ \large{ \purple{ \underline{ \underline{✿Answer}}}}}$

A device that is used to break an electric circuit is called electric switch. ... When switch is in 'OFF' position, then the circuit is open i.e. no current flows through the circuit and when switch is in 'ON' position, then the circuit is complete i.e. current flows through the circuit.

Uses of switch:

Electrical switches are used to perform all the electrical functions. From a fan to bulb, every electrical equipment we use in our day to day life is very hatd without a switch.A switch is designed to break or make the flow of connectivity in the electronic circuit automatically or manually.

$\mathcal{ \blue{Hope \: this \: helps! }}$