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4 cards from this section. Quick, good the night before a test.
What is the formula for power in electrical circuits?
Think about what drives the flow of electric charge.
What is the unit of power?
It's named after a famous inventor.
What does the formula P = V × I represent?
Power relates to the flow of energy.
True or False: Power is always directly related to voltage only.
Consider both components involved in power generation.
A circuit has a resistance of 10 ohms and the current flowing through it is 4 amps. Calculate the power.
Remember to square the current!
A light bulb rated at 60 watts operates on a 120-volt circuit. What is the current flowing through the bulb?
Rearrange the formula to find current.
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