According to Watt's Law, what is the relationship between power, voltage, and current?

Watt's Law defines the relationship among power (P), voltage (V), and current (I) in an electrical circuit. The correct formula, P = VI, illustrates that power is directly proportional to both the voltage across the circuit and the current flowing through it. This means that if either the voltage or the current is increased while the other remains constant, the overall power consumption in the circuit will also increase proportionally.

This relationship is fundamental in electrical engineering and helps in calculating how much power a device will consume under different voltage and current conditions. For example, if a device operates at a higher voltage and the same current, it will consume more power. Conversely, if the current increases at a constant voltage, the power consumption also goes up.

Understanding this law is key for anyone involved in electrical systems, as it allows for effective design and troubleshooting of circuits based on their power requirements.