154075 A bar magnet of moment of inertia $I$ is vibrated in a magnetic field of induction $0.4 \times 10^{-4} \mathrm{~T}$. The time period of vibration is $12 \mathrm{~s}$. The magnetic moment of the magnet is $120 \mathrm{Am}^{2}$. The moment of inertia of the magnet is (in $\mathrm{kgm}^{2}$ ) approximately

154076 A bar magnet of magnetic moment $M_{1}$ is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is $\mathbf{M}_{2}$. Then the value of $M_{1} / M_{2}$ is

154077 A bar magnet used in a vibration magnetometer is heated so as to reduce its magnetic moment by $36 \%$. The time period of the magnet (neglecting the changes in the dimensions of the magnet):

154078 The short bar magnets of magnetic moments $M$ each are arranged at the opposite corners of a square of side $d$, such that their centers coincide with the corners and their axes are parallel. If the like poles are in the same direction, the magnetic induction at any of the other corners of the square is:

154075 A bar magnet of moment of inertia $I$ is vibrated in a magnetic field of induction $0.4 \times 10^{-4} \mathrm{~T}$. The time period of vibration is $12 \mathrm{~s}$. The magnetic moment of the magnet is $120 \mathrm{Am}^{2}$. The moment of inertia of the magnet is (in $\mathrm{kgm}^{2}$ ) approximately

154076 A bar magnet of magnetic moment $M_{1}$ is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is $\mathbf{M}_{2}$. Then the value of $M_{1} / M_{2}$ is

154077 A bar magnet used in a vibration magnetometer is heated so as to reduce its magnetic moment by $36 \%$. The time period of the magnet (neglecting the changes in the dimensions of the magnet):

154078 The short bar magnets of magnetic moments $M$ each are arranged at the opposite corners of a square of side $d$, such that their centers coincide with the corners and their axes are parallel. If the like poles are in the same direction, the magnetic induction at any of the other corners of the square is:

154075 A bar magnet of moment of inertia $I$ is vibrated in a magnetic field of induction $0.4 \times 10^{-4} \mathrm{~T}$. The time period of vibration is $12 \mathrm{~s}$. The magnetic moment of the magnet is $120 \mathrm{Am}^{2}$. The moment of inertia of the magnet is (in $\mathrm{kgm}^{2}$ ) approximately

154076 A bar magnet of magnetic moment $M_{1}$ is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is $\mathbf{M}_{2}$. Then the value of $M_{1} / M_{2}$ is

154077 A bar magnet used in a vibration magnetometer is heated so as to reduce its magnetic moment by $36 \%$. The time period of the magnet (neglecting the changes in the dimensions of the magnet):

154078 The short bar magnets of magnetic moments $M$ each are arranged at the opposite corners of a square of side $d$, such that their centers coincide with the corners and their axes are parallel. If the like poles are in the same direction, the magnetic induction at any of the other corners of the square is:

154075 A bar magnet of moment of inertia $I$ is vibrated in a magnetic field of induction $0.4 \times 10^{-4} \mathrm{~T}$. The time period of vibration is $12 \mathrm{~s}$. The magnetic moment of the magnet is $120 \mathrm{Am}^{2}$. The moment of inertia of the magnet is (in $\mathrm{kgm}^{2}$ ) approximately

154076 A bar magnet of magnetic moment $M_{1}$ is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is $\mathbf{M}_{2}$. Then the value of $M_{1} / M_{2}$ is

154077 A bar magnet used in a vibration magnetometer is heated so as to reduce its magnetic moment by $36 \%$. The time period of the magnet (neglecting the changes in the dimensions of the magnet):

154078 The short bar magnets of magnetic moments $M$ each are arranged at the opposite corners of a square of side $d$, such that their centers coincide with the corners and their axes are parallel. If the like poles are in the same direction, the magnetic induction at any of the other corners of the square is: