Key Ideas
Power is the rate at which energy is transformed by a circuit component.
Understand Ohm’s Law
Watts are Joules per second
Power is measured in Watts
A kilowatt is 1000 Watts
A kilowatt-hour is 1000Watts per hour
Lectures
Lecture - Electrical power
Videos
Physics online, Electrical power
Physics online, Fantastic summary to the whole topic
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