1.

An electric heater rated 800 W operates 6h/day. Find the cost of energy to operate it for 30 days at ₹ 3.00 per unit.

Answer»

SOLUTION :Energy consumed `=Pxxt =800xx6xx30`
=144000 Wh
=144 kWh.
COST of ELECTRICITY = `144xx3 = ₹ 432.


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