What unit is used to measure electrical power?

The unit used to measure electrical power is Watts. Power in an electrical context reflects the rate at which electrical energy is transferred, consumed, or generated. It quantifies how much work can be done by the electric current over a certain period of time, making it a fundamental aspect of electrical systems and engineering.

Watts are derived from the formula: Power (in watts) = Voltage (in volts) × Current (in amperes). This relationship illustrates how Watts are dependent on both the voltage and the current in a circuit. Understanding this unit is crucial for engineers and professionals working with electrical systems, as it allows them to quantify the efficiency and capacity of electrical devices and systems effectively.

The other choices reflect different electrical concepts. Amperes measure the flow of current, Volts measure the electrical potential difference, and Ohms measure resistance. While all these units are essential in the study and application of electricity, they do not quantify power like Watts do.