What is the difference between Gauss’s law in electrostatics and Gauss’s law in magnetism ?
Two identical magnetic dipoles of magnetic moments $1.0 \,A-m^2$ each, placed at a separation of $2\,m$ with their axis perpendicular to each other. The resultant magnetic field at a point midway between the dipoles is
Two identical short bar magnets, each having magnetic moment of $10\, Am^2$, are arranged such that their axial lines are perpendicular to each other and their centres be along the same straight line in a horizontal plane. If the distance between their centres is $0.2 \,m$ , the resultant magnetic induction at a point midway between them is$({\mu _0} = 4\pi \times {10^{ - 7}}\,H{m^{ - 1}})$
Who has first used the properties of showing the direction of the magnet and why ?
Magnetic induction is a
A long magnet is cut in two parts in such a way that the ratio of their lengths is $ 2 : 1. $ The ratio of pole strengths of both the section is