Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
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.
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 (ฮฉ).