what is filament ( physics) class 6
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A filament light bulb is just another name commonly used for the vintage Edison light bulbs. Those reproduction bulbs are made to look like the original Edison bulb created over 100 years ago. The word Filament itself refers to the wire or thread inside the bulb which lights up when you turn it on.
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A filament lamp is a common type of light bulb. It contains a thin coil of wire called the filament. This heats up when an electric current passes through it and produces light as a result. The resistance of a lamp increases as the temperature of its filament increases.
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