What is the formula to find total power in a parallel circuit?

The formula to find the total power in a parallel circuit is indeed the sum of the power consumed by each individual branch or load in the circuit. This is expressed as the total power being equal to the sum of all individual powers: Pt = P₁ + P₂ + P₃ + P₄.

In a parallel circuit, each branch is connected across the same voltage, and therefore, each branch can draw different amounts of current depending on its resistance. The power in each branch can be calculated using the formula P = V * I, where V is the voltage across the branch and I is the current through the branch. By adding together all the individual power values, you get the total power for the entire circuit.

Thus, if there are four branches, as indicated in the correct answer, total power is simply the sum of the power from each of these branches. This reinforces the fundamental principle of parallel circuits, which allows each component to operate independently while contributing to the overall power usage.