পয়েন্টিং ভেক্টর হলো—

$\dfrac{1}{\mu_{e}}(\vec{E} \times \vec{B})$

$\dfrac{1}{\mu_{0}}(\vec{B} \times \vec{E})$

$\dfrac{1}{\epsilon_{0}}(\vec{\mathrm{E}} \times \vec{B})$

$\dfrac{1}{\epsilon_{0}}(\vec{B} \times \vec{E})$