The device which is used to allow current to flow in a circuit or cut it off when desired is called ____________.
switch
fuse
socket
plug
The device which is used to allow current to flow in a circuit or cut it off when desired is called switch.
Name a device which is used to allow current to flow into the appliance and cut it off.
___ is a device which controls (prevents or allows) current to flow through it.
The device which is used to measure electric current through a circuit is called a/an ____.