154285 A domain in a ferromagnetic substance is in the form of a cube of side length $1 \mu \mathrm{m}$. If it contains $6 \times 10^{10}$ atoms and each atomic dipole has a dipole moment of $7 \times 10^{-24} \mathrm{Am}^{2}$, then magnetization of the domains is

154287 An iron rod of susceptibility 599 is subjected to a magnetising field of $1200 \mathrm{Am}^{-1}$. The permeability of the material of the rod is (Take, $\mu_{0}=4 \pi \times 10^{-7} \mathrm{~T} \mathrm{~m} \mathrm{~A}^{-1}$ )

154291 A paramagnetic sample shows a net magnetisation of $8 \mathrm{~A} \mathrm{~m}^{-1}$ when placed in an external magnetic field of $0.6 \quad T$ at a temperature of $4 \mathrm{~K}$. When the same sample is placed in an external magnetic field of $0.2 \mathrm{~T}$ at a temperature of $16 \mathrm{~K}$, the magnetisation will be :

154292 The magnetic moment produced in a substance of mass 5 gram is $6 \times 10^{-7} \mathrm{Am}^{2}$. If its density is $5 \mathrm{~g} / \mathrm{cm}^{3}$, then intensity of magnetization in $\frac{A}{m}$ will be

154285 A domain in a ferromagnetic substance is in the form of a cube of side length $1 \mu \mathrm{m}$. If it contains $6 \times 10^{10}$ atoms and each atomic dipole has a dipole moment of $7 \times 10^{-24} \mathrm{Am}^{2}$, then magnetization of the domains is

154287 An iron rod of susceptibility 599 is subjected to a magnetising field of $1200 \mathrm{Am}^{-1}$. The permeability of the material of the rod is (Take, $\mu_{0}=4 \pi \times 10^{-7} \mathrm{~T} \mathrm{~m} \mathrm{~A}^{-1}$ )

154291 A paramagnetic sample shows a net magnetisation of $8 \mathrm{~A} \mathrm{~m}^{-1}$ when placed in an external magnetic field of $0.6 \quad T$ at a temperature of $4 \mathrm{~K}$. When the same sample is placed in an external magnetic field of $0.2 \mathrm{~T}$ at a temperature of $16 \mathrm{~K}$, the magnetisation will be :

154292 The magnetic moment produced in a substance of mass 5 gram is $6 \times 10^{-7} \mathrm{Am}^{2}$. If its density is $5 \mathrm{~g} / \mathrm{cm}^{3}$, then intensity of magnetization in $\frac{A}{m}$ will be

154285 A domain in a ferromagnetic substance is in the form of a cube of side length $1 \mu \mathrm{m}$. If it contains $6 \times 10^{10}$ atoms and each atomic dipole has a dipole moment of $7 \times 10^{-24} \mathrm{Am}^{2}$, then magnetization of the domains is

154287 An iron rod of susceptibility 599 is subjected to a magnetising field of $1200 \mathrm{Am}^{-1}$. The permeability of the material of the rod is (Take, $\mu_{0}=4 \pi \times 10^{-7} \mathrm{~T} \mathrm{~m} \mathrm{~A}^{-1}$ )

154291 A paramagnetic sample shows a net magnetisation of $8 \mathrm{~A} \mathrm{~m}^{-1}$ when placed in an external magnetic field of $0.6 \quad T$ at a temperature of $4 \mathrm{~K}$. When the same sample is placed in an external magnetic field of $0.2 \mathrm{~T}$ at a temperature of $16 \mathrm{~K}$, the magnetisation will be :

154292 The magnetic moment produced in a substance of mass 5 gram is $6 \times 10^{-7} \mathrm{Am}^{2}$. If its density is $5 \mathrm{~g} / \mathrm{cm}^{3}$, then intensity of magnetization in $\frac{A}{m}$ will be

154285 A domain in a ferromagnetic substance is in the form of a cube of side length $1 \mu \mathrm{m}$. If it contains $6 \times 10^{10}$ atoms and each atomic dipole has a dipole moment of $7 \times 10^{-24} \mathrm{Am}^{2}$, then magnetization of the domains is

154287 An iron rod of susceptibility 599 is subjected to a magnetising field of $1200 \mathrm{Am}^{-1}$. The permeability of the material of the rod is (Take, $\mu_{0}=4 \pi \times 10^{-7} \mathrm{~T} \mathrm{~m} \mathrm{~A}^{-1}$ )

154291 A paramagnetic sample shows a net magnetisation of $8 \mathrm{~A} \mathrm{~m}^{-1}$ when placed in an external magnetic field of $0.6 \quad T$ at a temperature of $4 \mathrm{~K}$. When the same sample is placed in an external magnetic field of $0.2 \mathrm{~T}$ at a temperature of $16 \mathrm{~K}$, the magnetisation will be :

154292 The magnetic moment produced in a substance of mass 5 gram is $6 \times 10^{-7} \mathrm{Am}^{2}$. If its density is $5 \mathrm{~g} / \mathrm{cm}^{3}$, then intensity of magnetization in $\frac{A}{m}$ will be