why is the filament wire of a bulb made very thin and given a helical shape
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Answered by
50
filament wire of a bulb is very thin and given a helical shape to get more resistance and wire length, thus converting more electricity into thermal energy and as a result get more light out of it...
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Answered by
9
because it has made through in such a way that it gives an appropiate resistance for which it can convert electical energy to proper light as well as heat energy.thus it maintains its luminousity.
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