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ICSE Class 10 Physics Question 14 of 19

Household Circuits — Question 14

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Question 14

For earthing an electrical appliance, one has to remove the paint from the metallic body of the appliance where the electrical contact is made. Explain the reason.

Answer

The paint provides an insulating layer on the metal body of the appliance. Therefore, in order to make the earth connection, it is necessary to remove paint from the body part where connection is to be made.