PG entrance exam CUET PG 2025 Mock Test Electromagnetic Theory Electromagnetic Wave Propagation EM Wave Power and Poynting Vector
Which one among the following is the correct expression for poynting vector.
1
\(\vec{S}=\frac{1}{2}\left ( \vec{E}\times \vec{B} \right )\)
2
\(\vec{S}=\left ( \vec{E}\times \vec{B} \right )\)
3
\(\vec{S}=\frac{\left ( \vec{E} \times \vec{B}\right )}{\mu _{0}}\)
4
\(\vec{S}=\frac{\left ( \vec{E} \times \vec{B}\right )}{2\mu _{0}}\)