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Principal behind electric bulb

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Principal behind electric bulb
  • 2 answers

Aritrita Brahma 5 years, 10 months ago

Electric bulb converts electrical energy into light energy by the phenomenon of heating effect of electric current. Tungsten is mainly used as the filament of bulb so that it can be luminous and it can glow but the medium will not melt.

Prabal Das 5 years, 10 months ago

Heating effect of electric current
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