Embibe Experts Solutions for Chapter: Matter and Magnetism, Exercise 1: Exercise (Previous Year Questions)

Two/three/four identical bar magnets of magnetic moment $M$ are combined according to figure. Find the net magnetic moment of the system.

Two/three/four identical bar magnets of magnetic moment $M$ are combined according to figure. Find the net magnetic moment of the system.

Two/three/four identical bar magnets of magnetic moment $M$ are combined according to figure. Find the net magnetic moment of the system.

Two/three/four identical bar magnets of magnetic moment $M$ are combined according to figure. Find the net magnetic moment of the system.

A bar magnet of magnetic moment ’M’ is cuts into two equal parts in two fashions parallel to its length, then what happens to the magnetic moment.

A bar magnet of magnetic moment ’M’ is cuts into two equal parts in following two fashions, Perpendicular to its length, then what happens to the magnetic moment of each part.

A coil of $100$ turns kept in a magnetic field, $B=0.2 \mathrm{T}$, carries a current of $2 \mathrm{A}$ as shown in the figure. Torque on the coil and which side of coil comes out from the plane of the paper :

A current carrying wire is bent to form a circular coil. If this coil is placed in any other magnetic field then for maximum torque on the coil, the number of turns will be -