Electrical Power
Definition
Electrical power refers to the rate at which electrical energy is transferred or consumed in a circuit. It is measured in watts (W) and can be calculated by multiplying the voltage (V) across a device by the current (I) flowing through it.
Related terms
Voltage: Voltage, also known as electric potential difference, is the force that pushes electric charges through a circuit. It is measured in volts (V).
Current: Current refers to the flow of electric charge in a circuit. It is measured in amperes (A).
Resistance: Resistance is an opposition to the flow of electric current. It determines how much current will flow for a given voltage. It is measured in ohms (Ω).
"Electrical Power" appears in:
Additional resources (1)
AP Physics 1 - Unit 9 Overview: DC Circuits
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Cram Mode
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.