a household uses the following electrical appliances
(a) refrigerator of rating 400 Watt for 10 hours each day
(b) 2 electrical fans of rating 80 watts for each for 12 hours each day
(c)6 electric tubes of rating 18 watts each for 6 hours each day
calculate the electricity bill of the household for the month of June if the cost per unit of energy is ₹3
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Total watts = 400 + 80 + 18 = 498 watts
1000 watts = 1 unit
498 watts = 498÷1,000
= 0.498
Per day
In one month
0.498 units * 31
= 0.498 × 31
= 15.438
Cost of it is 15.438 * 3
= 46.314
1000 watts = 1 unit
498 watts = 498÷1,000
= 0.498
Per day
In one month
0.498 units * 31
= 0.498 × 31
= 15.438
Cost of it is 15.438 * 3
= 46.314
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here is the answer that above ⇧
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