Q17 of 238 Page 113

Fill in the following blanks with suitable words:

(a) A fuse should always be placed in the .............wire of a mains circuit.


(b) The earth wire should be connected to the..............of an appliance.

(a) In the main circuit a fuse should always be connected with the live wire.

(b) The body of an appliances should always be connected with the earth wire.


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Give two reasons why different electrical appliances in a domestic circuit are connected in parallel.

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How should the electric lamps in a building be connected so that the switching on or off in a room has no effect on other lamps in the same building?

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Of what substance is the fuse wire made? Why?

 18

Explain why, a copper wire cannot be used as a fuse wire.