Electric Switch


 
 
Concept Explanation
 

Electric Switch

 We use electric switches to put on or off the electrical device and machines. An electric switch is a device that is used to open or close an electric circuit. In an electrical circuit, a switch is sometimes referred to as a ‘key’.

When the key is closed, the electric circuit is complete and the current is allowed to flow through the circuit . The appliance, which is the part of the circuit, works. When the key is open, the circuit is incomplete, no current flows and the appliances does not work.

                             

                                                                    Electric Switch                                   

Sample Questions
(More Questions for each concept available in Login)
Question : 1

When electric switch is closed then there is ________________ in the circuit.

                   

Right Option : A
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Explanation
Question : 2

Electric switch is ______________________

Right Option : C
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Explanation
Question : 3

What is used in making or breaking an electric circuit ?

Right Option : D
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Explanation
 
 
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