what is the resistance of the filament of a bulb which operates on 220 volt source? what is the current flowing through it? How much heat energy is produced by the bulb in 1 minute?
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An electric bulb is marked to 100 W, 220 V. If the supply voltage drops to 115 V, what is the heat end light energy produced by the bulb in 20 minutes. Calculate the ... Resistance of the bulb R=(230)2100=529Ω when the ... A 60 watt bulb operates on 220 V supply. The current flowing through the bulb. play. 1:17
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