Nov 15, 2017 · An electric heater draws 1100 W of power. Electricity costs 8¢ per kW•h. How much does it cost to operate the heater 3.0 h a day for 30 days? Apr 26, 2017 · • Electric cost is determined by kilowatt hour use (kw/hr). For example: a 1500 watt engine heater uses 1.5 (one and one half) kilowatt hour of electricity (1500 watt = 1.5 kilowatt). • If your electrical cost is $0.10 per kilowatt hour use, a 1500 watt engine heater would cost $0.15 (15 cents) per hour to operate. ($0.10 x 1.5kw/hr).
Which of the following processes requires the cell to use atppercent27s