---
title: Ohm's Law
tags:
  - type/encyclopedia-entry
up: "[[electricity]]"
---
# Ohm's Law

The formula for voltage $V$ is given by Ohm's Law:

$$
V = I \times R
$$

The formula for power $P$ is given by:

$$
P = I \times V
$$

$$
\begin{align*}
P &= I \times (I \times R) \\
&= I^{2}R
\end{align*}
$$