magnetism

Asked by  | 13th Nov, 2008, 07:35: PM

Expert Answer:

A bulb is generally connected with two wires (the live and the neutral).But if we need to add the third wire i.e. the Earth wire , we will have to make connection between the metallic part of the bulb and the Earth pin of the socket. in the 3 pin Socket.

Answered by  | 13th Dec, 2008, 06:10: PM

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