Using Ohm’s Law, if you know the voltage and current, what formula do you use to find the power consumed?

Using Ohm's Law, the relationship between voltage (E), current (I), and resistance (R) is fundamental in determining electrical power (P). The formula for calculating power in an electrical circuit is derived from the product of voltage and current. Specifically, power is equal to the product of the current flowing through the circuit and the voltage across that current.

When you multiply current (in amperes) by voltage (in volts), you get power measured in watts. This relationship holds true under normal operating conditions of electrical components, making it essential in analyzing how much energy is being consumed in the system.

In contrast, other formulas listed do not accurately define power in an electrical context. For example, simply adding current and voltage does not yield a meaningful electrical quantity, while dividing or raising current by voltage results in mathematical operations that do not have relevance in calculating power consumption. Thus, the correct approach to ascertain power consumption in a circuit, given voltage and current, is through the multiplication of these two quantities.