A refrigerator of rating 400 w for 10 hours each day . calculate the electricity bill of the household for the month of june if the cost per unit of the electrical energy is rs 5
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P = 0.4× 10
P= 4 kWh
P= 4×30
P= 120 units
1 unit=5 rs
120 unit= 5×120
= Rs 600
P= 4 kWh
P= 4×30
P= 120 units
1 unit=5 rs
120 unit= 5×120
= Rs 600
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