BRIGHTNESS OF A BULB IS ------------- PROPORTIONAL TO-------------- AND ----------------- PROPORTIONAL TO ---------------
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BRIGHTNESS OF A BULB IS directly PROPORTIONAL TO voltage AND inversely PROPORTIONAL TO its resistance.
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Brightness of a bulb is proportional to the electrical power P, dissipated by the filament in the bulb, in the form of heat/light/radiation.
P = V² / R
Brightness is directly proportional to the square of voltage applied across the bulb. It is inversely proportional to the resistance of the bulb.
P = V² / R
Brightness is directly proportional to the square of voltage applied across the bulb. It is inversely proportional to the resistance of the bulb.
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