![Energy Calculations Revision Energy = Power x Time (Joule) (Watt) (Second) Energy Power x Time Example 1: How much energy does a 40 Watt bulb use in ppt download Energy Calculations Revision Energy = Power x Time (Joule) (Watt) (Second) Energy Power x Time Example 1: How much energy does a 40 Watt bulb use in ppt download](https://slideplayer.com/11675705/47/images/slide_1.jpg)
Energy Calculations Revision Energy = Power x Time (Joule) (Watt) (Second) Energy Power x Time Example 1: How much energy does a 40 Watt bulb use in ppt download
![SOLVED: Electrical energy is usually measured in kiloWatt*hours, kWh. A Watt is 1 joule per second. A kiloWatt is 1000 joules per second. An hour has 3600 seconds. Therefore 1 kWh = SOLVED: Electrical energy is usually measured in kiloWatt*hours, kWh. A Watt is 1 joule per second. A kiloWatt is 1000 joules per second. An hour has 3600 seconds. Therefore 1 kWh =](https://cdn.numerade.com/ask_previews/9cffe303-ac21-4d82-a46f-5cb70d86ed2d_large.jpg)
SOLVED: Electrical energy is usually measured in kiloWatt*hours, kWh. A Watt is 1 joule per second. A kiloWatt is 1000 joules per second. An hour has 3600 seconds. Therefore 1 kWh =
![Energy Calculations 1 kW = 1,000 watts 1 Hour = 3,600 seconds 1kW = 1000 Joules/s 1 Joule/second = 1 Watt 1 Watt hour = 60 Joules Therefore 1kWh = 3,600,000. - ppt download Energy Calculations 1 kW = 1,000 watts 1 Hour = 3,600 seconds 1kW = 1000 Joules/s 1 Joule/second = 1 Watt 1 Watt hour = 60 Joules Therefore 1kWh = 3,600,000. - ppt download](https://slideplayer.com/11554437/42/images/slide_1.jpg)
Energy Calculations 1 kW = 1,000 watts 1 Hour = 3,600 seconds 1kW = 1000 Joules/s 1 Joule/second = 1 Watt 1 Watt hour = 60 Joules Therefore 1kWh = 3,600,000. - ppt download
![SOLVED: One watt-hour is equivalent to (A) 6.3 × 103 Joule (B) 6.3 × 10–7 Joule (C) 3.6 × 103 Joule (D) 3.6 × 10–3 Joule SOLVED: One watt-hour is equivalent to (A) 6.3 × 103 Joule (B) 6.3 × 10–7 Joule (C) 3.6 × 103 Joule (D) 3.6 × 10–3 Joule](https://cdn.numerade.com/ask_previews/ad32dbb4-09e5-4551-ac23-ff7fdaf84aac_large.jpg)
SOLVED: One watt-hour is equivalent to (A) 6.3 × 103 Joule (B) 6.3 × 10–7 Joule (C) 3.6 × 103 Joule (D) 3.6 × 10–3 Joule
![SOLVED: A watt is a measure of power (the rate of energy change) equal to 1 J/sJ/s. Part A) Calculate the number of joules in a kilowatt-hour. Express the answer in joules SOLVED: A watt is a measure of power (the rate of energy change) equal to 1 J/sJ/s. Part A) Calculate the number of joules in a kilowatt-hour. Express the answer in joules](https://cdn.numerade.com/ask_previews/ec186401-29eb-4a89-bd8d-63c4b18631be_large.jpg)