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Two bulbs of 40 and 60 watt rating are connected parallel combination in 220 V supply line. In which bulb more heat will be produced ? |
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Answer» 40WExplanation:we know thatpower is INVERSELY PROPORTIONAL to RESISTANCE sincepower = Voltage ^2/R voltage is constantsoaccording to QUESTION the higher resistance is of 40watt .higher resistance MEANS higher heat is produced. |
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