As we know that Isolated positive or negative charge exists freely. So, Gauss’s law states that
∮\(\vec{E}\).d\(\vec{S}\)= \(\frac{1}{ɛ_0}\) |q|
Isolated magnetic poles do not exist. So, Gauss’s law states that
∮\(\vec{B}\).d\(\vec{S}\)= 0
Magnetic field intensity at the equator is