How electric resistance is used in an electric bulb?
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So, a bulb has a Tungsten filament through which current is passes, due to its high resistance, heat is produced and it starts glowing. This is howresistance is used in an Electric Bulb.
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As the current passes through the resistance the electrons collide with the atoms of resistor and cause to vibrate which provides energy for atoms to excite . And as electrons from excited state come back to ground level they emit energy which is the source of light in bulbs.
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