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Q.

Which of the following statements regarding the switch is incorrect?


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a

A switch is a source of electric current in a circuit.

b

A switch helps to complete or break the circuit.

c

A switch helps us to use electricity as per our requirements.

d

When the switch is open, there is an air gap between its terminal. 

answer is A.

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Detailed Solution

The incorrect statement is that a switch is the source of electric current in a circuit.
A switch is a device which can make or break the circuit and helps us use the electricity as per our requirements. An air gap is formed between the terminals of the switch when it is open. An electric switch is not a source of electricity, but it can control the flow of electricity according to our requirements.
 
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