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What is the monthly energy cost of leaving a 60W bulb on continuously if electricity cost 10 cents kWh?
Wiki User
∙ 12y ago
The formula you are looking for is Watts/1000 x hours in the day x cost per kWh.so it is 1,500
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoAssuming a 30 day month then 43.2 kWh
60W * 24 * 30
60W * 720H = 43200 Wh = 43.2 kWh
Wiki User
∙ 10y agoThe number of hours in 6 months is 365/2x24, or 4380 hours. In that time the 100 watt bulb would consume 438 kWh, so the cost would be 43.8.
Wiki User
∙ 12y ago100 watts = .1 Kwh
.1 x 10cents = 1cent per hour or 24cents per day
6 months or approx. 182 days x 24 cents = $43.68
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