Definition Of Switch

Definition Of Switch

Switch is a device used for making and breaking electric current through the circuit.

A switch is a device used for operating electrical appliance.
In a switch on position the current passes through the appliance and it starts functioning.
In a switch off position the current will not pass through the appliance and it will not work.

More About Switch:

A simplest switch consists of two contacts, one is fixed and the other is movable.
When the contacts brought together, the switch is closed (switch on) and current is flowing through the circuit.
In order to open the circuit, disconnect the contact (switch off).
Mainly switches are of two types:

1.Electromechanical switches
2. Electronic switches

Electric switch working

Two way switches are used for stair case
By using the two-way switch you can turn the landing lights on or off from upstairs or downstairs.

Related terms: Circuit breaker | Electric fuse