NET/GATE/JAM/JEST Formula Sheet Get link Facebook X Pinterest Email Other Apps - July 21, 2025 Electromagnetic Theory 1. Lorentz force law: $F=q[\vec{E}+\vec{v}\times \vec{B}]$ 2. Electric field due to infinite charged sheet: $\vec{E}=\frac{\sigma}{2 \epsilon_{o}}$ Read more