The small magnets each of magnetic moment $10 \,A-m^2$ are placed end-on position $0.1\,m$  apart from their centres. The force acting between them is....$N$

Two identical short bar magnets are placed at $120^{\circ}$ as shown in the figure. The magnetic moment of each magnet is $M$. Then the magnetic field at the point $P$ on the angle bisector is given by

What is pole strength of a bar magnet ? Show the magnetic dipole moment in terms of pole strength.

A bar magnet is cut into two equal parts then which of the following quantity may change

$(a)$ Intensity of magnetization

$(b)$ Pole strength

$(c)$ Magnetic moment

Two identical thin bar magnets each of length $l $ and pole strength $m$  are placed at right angle to each other with north pole of one touching south pole of the other. Magnetic moment of the system is

The magnetic potential at a point on the axial line of a bar magnet of dipole moment $M$ is $V$. What is the magnetic potential due to a bar magnet of dipole moment $\frac{M}{4}$ at the same point