5. How can you make a simple torch using
a cell, electric wire and a torch bulb?
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9
(1) Connect the torch bulb to the positive and negative terminals of a cell by using two pieces of wire. (2) One end of the wire connected to the positive terminal (metal cap) of the cell and the other end of this wire is connected to the metal tip at the base of the torch bulb.
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3
wrap one end of a wire around the base of an electric bulb . fix the other end of a wire to the negative terminal of an electric cell with a rubber band . Now, bring the tip of the base of the bulb that is it's
other terminal in contact with the positive terminal of the cell . the bulb starts glowing .
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