## The Electric Field

In this post, an expression for the electric field is derived.

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# Electricity & Magnetism

## The Electric Field

## Gauss’ Law, Part 1

In this post, an expression for the electric field is derived.

In Derivation #3, the expression, $ \frac{\partial \beta(t)}{\partial t}$, was written. This is an expression for a derivative of a function $ \beta(t)$. Now that a derivative has been introduced, Maxwell’s equations can be investigated. I start with Gauss’ Law. But first, slightly more information about derivatives is needed. I can consider the pieces of …