Question

explain working of electric bulb?​

Answer 1

In an incandescent type of bulb, an electric current is passed through a thin metal filament, heating the filament until it glows and produces light. After the electricity has made its way through the tungsten filament, it goes down another wire and out of the bulb via the metal portion at the side of the socket.

Answer 2

An electric bulb works on the principle of hearing effect of current. It consists of a tungsten filament with a coating of thorium. This filament gets heated up to emit light when current passes through it.

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