# Questions & Answers of Gauss's Law

## Weightage of Gauss's Law

Total 1 Questions have been asked from Gauss's Law topic of Electromagnetic Fields subject in previous GATE papers. Average marks 1.00.

In cylindrical coordinate system, the potential produced by a uniform ring charge is given by $\phi =f\left(r,z\right)$, where $f$ is a continuous function of r and z. Let $\stackrel{\to }{E}$ be the resulting electric field. Then the magnitude of $\nabla ×\stackrel{\to }{E}$