Gradient of Divergence/Examples/Increase of Electric Charge
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Example of Use of Gradient of Divergence
Let $\mathbf V$ be an electric force in a given electric field at a point in a region of space $R$.
We have that $\operatorname {div} \mathbf V$ is the space charge density.
Hence $\grad \operatorname {div} \mathbf V$ gives the magnitude and direction in space of the greatest rate of increase of the space of the electric charge at a given point.
Sources
- 1951: B. Hague: An Introduction to Vector Analysis (5th ed.) ... (previous) ... (next): Chapter $\text {V}$: Further Applications of the Operator $\nabla$: $4$. The Operator $\grad \operatorname {div}$