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64. Which among the following consumes moreelectrical energy?(a) 100 Watt bulb in 2 hour(b) 1200 Watt toaster in 10 minutes(c) 25 Watt bulb in 8 hours(d) 250 Watt TV set in 1 hour |
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Answer» Energy consumed= power * time (a) 100*2 = 200 wh(b) 1200*10/60 = 200 wh(c) 25*8 = 200 wh(d) 250*1 = 250 wh Therefore,(d) is correct option Energy=Power×time250a) 100×2=200kwh b)1200×60÷10= 7200kwhc) 25×8= 200kwhd) 250×1= 250kwhAns) b 1200 Watt toaster in 10 minutes |
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