03. Magnetism, Magnetic Properties and Magnetisation
Magnetism and Matter

154335 According to Curie's law,

1 $\chi \propto\left(T-T_{c}\right)$
2 $\chi \propto \frac{1}{T-T_{c}}$
3 $\chi \propto \frac{1}{\mathrm{~T}}$
4 $\chi \propto \mathrm{T}$
Magnetism and Matter

154338 The variation of magnetic susceptibility $(\chi)$ with temperature for a diamagnetic substance is best represented by

1
2
3
4
Magnetism and Matter

154344 Select the correct statement from the following

1 The magnetic dip is zero at the centre of the earth
2 Magnetic dip decreases as we move away from the equator towards the magnetic pole
3 Magnetic dip increases as we move away from the equator towards the magnetic pole
4 Magnetic dip does not vary from place to place
Magnetism and Matter

154345 A very long conductor carries a current of $1 \mathrm{~A}$. The magnetic field at a point whose distance is $0.1 \mathrm{~m}$ from one end of the conductor is (in ' $\mathrm{T}$ ')

1 $10^{-6}$
2 $2 \times 10^{-6}$
3 $10^{-3}$
4 $10^{-2}$
Magnetism and Matter

154335 According to Curie's law,

1 $\chi \propto\left(T-T_{c}\right)$
2 $\chi \propto \frac{1}{T-T_{c}}$
3 $\chi \propto \frac{1}{\mathrm{~T}}$
4 $\chi \propto \mathrm{T}$
Magnetism and Matter

154338 The variation of magnetic susceptibility $(\chi)$ with temperature for a diamagnetic substance is best represented by

1
2
3
4
Magnetism and Matter

154344 Select the correct statement from the following

1 The magnetic dip is zero at the centre of the earth
2 Magnetic dip decreases as we move away from the equator towards the magnetic pole
3 Magnetic dip increases as we move away from the equator towards the magnetic pole
4 Magnetic dip does not vary from place to place
Magnetism and Matter

154345 A very long conductor carries a current of $1 \mathrm{~A}$. The magnetic field at a point whose distance is $0.1 \mathrm{~m}$ from one end of the conductor is (in ' $\mathrm{T}$ ')

1 $10^{-6}$
2 $2 \times 10^{-6}$
3 $10^{-3}$
4 $10^{-2}$
Magnetism and Matter

154335 According to Curie's law,

1 $\chi \propto\left(T-T_{c}\right)$
2 $\chi \propto \frac{1}{T-T_{c}}$
3 $\chi \propto \frac{1}{\mathrm{~T}}$
4 $\chi \propto \mathrm{T}$
Magnetism and Matter

154338 The variation of magnetic susceptibility $(\chi)$ with temperature for a diamagnetic substance is best represented by

1
2
3
4
Magnetism and Matter

154344 Select the correct statement from the following

1 The magnetic dip is zero at the centre of the earth
2 Magnetic dip decreases as we move away from the equator towards the magnetic pole
3 Magnetic dip increases as we move away from the equator towards the magnetic pole
4 Magnetic dip does not vary from place to place
Magnetism and Matter

154345 A very long conductor carries a current of $1 \mathrm{~A}$. The magnetic field at a point whose distance is $0.1 \mathrm{~m}$ from one end of the conductor is (in ' $\mathrm{T}$ ')

1 $10^{-6}$
2 $2 \times 10^{-6}$
3 $10^{-3}$
4 $10^{-2}$
Magnetism and Matter

154335 According to Curie's law,

1 $\chi \propto\left(T-T_{c}\right)$
2 $\chi \propto \frac{1}{T-T_{c}}$
3 $\chi \propto \frac{1}{\mathrm{~T}}$
4 $\chi \propto \mathrm{T}$
Magnetism and Matter

154338 The variation of magnetic susceptibility $(\chi)$ with temperature for a diamagnetic substance is best represented by

1
2
3
4
Magnetism and Matter

154344 Select the correct statement from the following

1 The magnetic dip is zero at the centre of the earth
2 Magnetic dip decreases as we move away from the equator towards the magnetic pole
3 Magnetic dip increases as we move away from the equator towards the magnetic pole
4 Magnetic dip does not vary from place to place
Magnetism and Matter

154345 A very long conductor carries a current of $1 \mathrm{~A}$. The magnetic field at a point whose distance is $0.1 \mathrm{~m}$ from one end of the conductor is (in ' $\mathrm{T}$ ')

1 $10^{-6}$
2 $2 \times 10^{-6}$
3 $10^{-3}$
4 $10^{-2}$