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The kilowatt hour is a derived unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate over a period of time, the total energy in kilowatt hours is the power in kilowatts multiplied by the time in hours. The kilowatt hour is commonly used as a billing unit for energy delivered to consumers by electric utilities.

Residential electricity meter located in Canada

The kilowatt hour (symbol kWh) is a derived unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt hours is the power in kilowatts multiplied by the time in hours. The kilowatt hour is commonly used as a billing unit for energy delivered to consumers by electric utilities.

What is a Kilowatt hour?

This physics video provides a basic introduction into the kilowatt hour unit. It's a unit of energy and not power. Kw or kilowatt is the unit of power. Energy is power ...

What is a kWh - kilowatt hour + CALCULATIONS 💡💰

In this video we learn what a kWh is, the kilowatt hour is used for energy bills and related to the amount of electricity consumed by electrical items. We run ...

What is a Kilowatt Hour?

A kilowatt hour (KwH) is a way to measure the amount of electricity used in an hour. It would take approximately 1000 watts to run a microwave for 1 hour and ...

Explanation of how kilowatt-hour meters work (electromechanical)

I take apart an electromechanical power meter and describe how it uses magnetic fields to measure power consumed. The voltage coil's numerous turns of wire ...

Erin Explains Energy – kilowatts vs kilowatt hours

This week's Erin Explains Energy is a little more complicated - Erin explains the difference between a kW (kilowatt) and a kWh (kilowatt hour)! Knowing the ...

A Level Physics - The Kilowatt Hour

If you would like to see more A Level Physics videos then please Subscribe to my channel to keep updated with new videos and to search the Playlists already ...