What is the unit of measure for electrical power?

The correct answer is watts, which is the standard unit of measure for electrical power in the International System of Units (SI). Power, in an electrical context, is defined as the rate at which electrical energy is transferred by an electric circuit. It can be calculated as the product of voltage (in volts) and current (in amps). Therefore, when you multiply the voltage by the current flowing through a circuit, you obtain the power in watts.

This unit is crucial in various applications and settings, including residential and commercial electricity usage, as well as in the design and operation of electrical devices. Understanding power in watts allows for the effective calculation of energy consumption and efficiency in electrical systems, which is important for energy management and conservation efforts.

In contrast, volts measure the electric potential difference, amps indicate the flow of electric current, and ohms are used to express electrical resistance. While all these concepts are interrelated within Ohm's Law and other electrical principles, only watts specifically quantify power.