1.

Calculate the number of units consumed by a TV in a leap year which is rated at 100 W if it is used 6 hours per day.

Answer»

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Solution :Data :P = 100 W,` t = 6 (" hours")/("day")xx 366 "days" ` = 2196 hours
1 unit = 1 kW.h = 1000 W.h
N = ` (Pt)/( 1000 W.h.//"unit") = ( 100 W xx 2196 " hours")/(1000 " W.h/ unit")= 219.6 " UNITS"`
219.6 units are CONSUMED in a leap YEAR.


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