1.

Which uses more energy, a 250 W TV set in 1 hr or a 1200W toaster in 10 minutes ?

Answer»

Solution :For TV set
`E= Pxxt=0.25xx1=0.25` kwh
For toaster
`E= 1.2 xx(1)/(6) = 0.2 ` kwh
:.` TV set CONSUMES more ENERGY than a toaster.


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