Two identical thin bar magnets,each of length | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The magnetic dipole moment of each bar magnet is given by $M = m l$.Since the two magnets are placed at a right angle to each other,their magnetic

Vedclass · Accepted Answer

$\sqrt{2} ml$

Vedclass · Answer

(D) The magnetic dipole moment of each bar magnet is given by $M = m l$.Since the two magnets are placed at a right angle to each other,their magnetic moment vectors $\vec{M_1}$ and $\vec{M_2}$ are also perpendicular to each other.The magnitude of each magnetic moment is $M_1 = M_2 = M = ml$.The net magnetic moment of the system is the vector sum of the individual magnetic moments:$M_{net} = \sqrt{M_1^2 + M_2^2 + 2 M_1 M_2 \cos 90^{\circ}}$Since $\cos 90^{\circ} = 0$,this simplifies to:$M_{net} = \sqrt{M_1^2 + M_2^2} = \sqrt{M^2 + M^2} = \sqrt{2M^2} = M \sqrt{2}$Substituting $M = ml$,we get:$M_{net} = \sqrt{2} ml$

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

Similar Questions

If a bar magnet of pole strength $m$ and magnetic moment $M$ is cut equally $5$ times parallel to its axis and again $3$ times perpendicular to its axis, then the pole strength and magnetic moment of each piece are respectively

Two points $A$ and $B$ are situated at a distance $x$ and $2x$ respectively from the nearer pole of a magnet $2 \ cm$ long. The ratio of the magnetic field at $A$ and $B$ is

The magnetic moment of the arrangement shown in the figure is ............. $M$.

$A$ bar magnet $AB$ is cut into two equal parts as shown in the figure. One part is kept over the other so that the pole $C_{2}$ is above $C_{1}$. If $M$ is the magnetic moment of the original magnet,the magnetic moment of the combination so formed is

If a magnet is cut into four equal parts such that their lengths and breadths are equal,what is the pole strength of each part?

Vedclass Test Series

Exam Paper Generator

Online Exam Module