engineering recuitment HPCL Junior Executive 2025 Mock Test Electromagnetic Theory Electrostatics Electric Field in Material
For the conservative electric field \(\vec{E}\).
1
\(\text{div} \ \vec{E}=0\)
2
\(\text{curl} \ \vec{E} = 0\)
3
\(\displaystyle\int_a^b \vec{E}\cdot \vec{dl} = 0\)
4
\(\text{grad div} \ \vec{E} = 0\)