5 electrical appliances are used for 10 hour per day in a home. If two appliances are of 200W and three appliances are of 400W, then find number of unit consumed by these appliances in a day.
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electric aapliance are connected in series so total resistance can be obtained by adding1/200+1/200+1/400+1/400 +1/400 this is the workdone then time taken is obtained by 10.60.60 then divide the ratio
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