6.a)Give the construction and working of an electric bulb .(5)
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In an electric bulb there are two metal contacts at the base which connect to the ends of an electrical circuit. The metal contacts are attached to two stiff wires which are attached to a thin metal filament. ... The wires and the filament are housed in a glass bulb, which is filled with an inert gas, such as argon.
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In an electric bulb there are two metal contacts at the base which connect to the ends of an electrical circuit. The metal contacts are attached to two stiff wires which are attached to a thin metal filament. ... The wires and the filament are housed in a glass bulb, which is filled with an inert gas, such as argon.
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