what is the principle and working of electric bulb
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Construction and Working Principle of the light bulb
This glass envelope or bulb is filled with a low pressure inert gas such as nitrogen or argon. When electricity passes through the coiled tungsten filament, it becomes hot and glows.
This glass envelope or bulb is filled with a low pressure inert gas such as nitrogen or argon. When electricity passes through the coiled tungsten filament, it becomes hot and glows.
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electric arc and electric welding is the principal and working of electric bulb
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