please explain

Asked by pcoolboy | 30th Oct, 2009, 07:38: PM

Expert Answer:

As soon as a light bulb is switched off , the current supply is cut off and no current passes through the filament due to which the filament stops glowing and we do not see the light energy. As far as heat energy is concerned , it gets dissipated to the surroundings.

Answered by  | 30th Oct, 2009, 09:49: PM

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