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.
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800W = 800÷1000kw
=0.8kw
time =6hrs
Energy=pxt
=0.8×6
=4.8
cost of energy to operate it for 30 day at ₹3
per day=
4.8×30×3
=432
=0.8kw
time =6hrs
Energy=pxt
=0.8×6
=4.8
cost of energy to operate it for 30 day at ₹3
per day=
4.8×30×3
=432
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