Question

Ques.-7 What is a switch?​

Answer 1

Answer:

Answer:An instrument used in a electric circuit or appliances for turning on or off the flow of current in it is called switch

Answer:An instrument used in a electric circuit or appliances for turning on or off the flow of current in it is called switchExplanation:

Answer:An instrument used in a electric circuit or appliances for turning on or off the flow of current in it is called switchExplanation:A example of switch is plug key,trapping key

Answer 2

Answer:

A switch is an electronic device which acts as a conducting link between the battery and the circuit. It allows a continuous flow of charges across the circuit. If the switch is closed or broken the circuit will break and the current will not flow resulting in not working of the circuit.