03. Magnetism, Magnetic Properties and Magnetisation
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Magnetism and Matter

154332 Find the magnetic field at $P$ due to the arrangement shown

1 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1-\frac{1}{\sqrt{2}}\right) \otimes$
2 $\frac{2 \mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
3 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
4 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1+\frac{1}{\sqrt{2}}\right) \otimes$
VITEEE-2018
Magnetism and Matter

154334 A paramagnetic substance of susceptibility $3 \times 10^{-4}$ is placed in a magnetic field of $3 \times 10^{-4}$ $\mathrm{Am}^{-1}$. Then, the intensity of magnetization in units of $\mathrm{Am}^{-1}$ is.

1 $9 \times 10^{-8}$
2 $1 \times 10^{-4}$
3 $10 \times 10^{-4}$
4 $9 \times 10^{-10}$
BCECE-2018
Magnetism and Matter

154339 A sample of a paramagnetic salt containing $3 \times$ $10^{24}$ atomic dipoles each of dipole moment $2 \times$ $10^{-23} \mathrm{~A}-\mathrm{m}^{2}$ is subjected to a uniform magnetic field of $880 \mathrm{mT}$ and cooled to a temperature of 3.5 K. The degree of magnetic saturation achieved is $10 \%$. If the sample is subjected to a magnetic field of $990 \mathrm{mT}$ and cooled to a temperature of $2.1 \mathrm{~K}$, then the total dipole moment of the sample is

1 $11.25 \mathrm{~A}-\mathrm{m}^{2}$
2 $23.5 \mathrm{~A}-\mathrm{m}^{2}$
3 $15 \mathrm{~A}-\mathrm{m}^{2}$
4 $75 \mathrm{~A}-\mathrm{m}^{2}$
AP EAMCET (23.04.2018) Shift-2
Magnetism and Matter

154336 Assertion : To protect any instrument from external magnetic field, it is put inside an iron body.
Reason : Iron has high permeability

1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
AIIMS-27.05.2018(M)
For More Updates join with Us
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Magnetism and Matter

154332 Find the magnetic field at $P$ due to the arrangement shown

1 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1-\frac{1}{\sqrt{2}}\right) \otimes$
2 $\frac{2 \mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
3 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
4 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1+\frac{1}{\sqrt{2}}\right) \otimes$
VITEEE-2018
Magnetism and Matter

154334 A paramagnetic substance of susceptibility $3 \times 10^{-4}$ is placed in a magnetic field of $3 \times 10^{-4}$ $\mathrm{Am}^{-1}$. Then, the intensity of magnetization in units of $\mathrm{Am}^{-1}$ is.

1 $9 \times 10^{-8}$
2 $1 \times 10^{-4}$
3 $10 \times 10^{-4}$
4 $9 \times 10^{-10}$
BCECE-2018
Magnetism and Matter

154339 A sample of a paramagnetic salt containing $3 \times$ $10^{24}$ atomic dipoles each of dipole moment $2 \times$ $10^{-23} \mathrm{~A}-\mathrm{m}^{2}$ is subjected to a uniform magnetic field of $880 \mathrm{mT}$ and cooled to a temperature of 3.5 K. The degree of magnetic saturation achieved is $10 \%$. If the sample is subjected to a magnetic field of $990 \mathrm{mT}$ and cooled to a temperature of $2.1 \mathrm{~K}$, then the total dipole moment of the sample is

1 $11.25 \mathrm{~A}-\mathrm{m}^{2}$
2 $23.5 \mathrm{~A}-\mathrm{m}^{2}$
3 $15 \mathrm{~A}-\mathrm{m}^{2}$
4 $75 \mathrm{~A}-\mathrm{m}^{2}$
AP EAMCET (23.04.2018) Shift-2
Magnetism and Matter

154336 Assertion : To protect any instrument from external magnetic field, it is put inside an iron body.
Reason : Iron has high permeability

1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
AIIMS-27.05.2018(M)
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Magnetism and Matter

154332 Find the magnetic field at $P$ due to the arrangement shown

1 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1-\frac{1}{\sqrt{2}}\right) \otimes$
2 $\frac{2 \mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
3 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
4 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1+\frac{1}{\sqrt{2}}\right) \otimes$
VITEEE-2018
Magnetism and Matter

154334 A paramagnetic substance of susceptibility $3 \times 10^{-4}$ is placed in a magnetic field of $3 \times 10^{-4}$ $\mathrm{Am}^{-1}$. Then, the intensity of magnetization in units of $\mathrm{Am}^{-1}$ is.

1 $9 \times 10^{-8}$
2 $1 \times 10^{-4}$
3 $10 \times 10^{-4}$
4 $9 \times 10^{-10}$
BCECE-2018
Magnetism and Matter

154339 A sample of a paramagnetic salt containing $3 \times$ $10^{24}$ atomic dipoles each of dipole moment $2 \times$ $10^{-23} \mathrm{~A}-\mathrm{m}^{2}$ is subjected to a uniform magnetic field of $880 \mathrm{mT}$ and cooled to a temperature of 3.5 K. The degree of magnetic saturation achieved is $10 \%$. If the sample is subjected to a magnetic field of $990 \mathrm{mT}$ and cooled to a temperature of $2.1 \mathrm{~K}$, then the total dipole moment of the sample is

1 $11.25 \mathrm{~A}-\mathrm{m}^{2}$
2 $23.5 \mathrm{~A}-\mathrm{m}^{2}$
3 $15 \mathrm{~A}-\mathrm{m}^{2}$
4 $75 \mathrm{~A}-\mathrm{m}^{2}$
AP EAMCET (23.04.2018) Shift-2
Magnetism and Matter

154336 Assertion : To protect any instrument from external magnetic field, it is put inside an iron body.
Reason : Iron has high permeability

1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
AIIMS-27.05.2018(M)
Join With Us for More Updates
Magnetism and Matter

154332 Find the magnetic field at $P$ due to the arrangement shown

1 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1-\frac{1}{\sqrt{2}}\right) \otimes$
2 $\frac{2 \mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
3 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}} \otimes$
4 $\frac{\mu_{0} \mathrm{i}}{\sqrt{2} \pi \mathrm{d}}\left(1+\frac{1}{\sqrt{2}}\right) \otimes$
VITEEE-2018
Magnetism and Matter

154334 A paramagnetic substance of susceptibility $3 \times 10^{-4}$ is placed in a magnetic field of $3 \times 10^{-4}$ $\mathrm{Am}^{-1}$. Then, the intensity of magnetization in units of $\mathrm{Am}^{-1}$ is.

1 $9 \times 10^{-8}$
2 $1 \times 10^{-4}$
3 $10 \times 10^{-4}$
4 $9 \times 10^{-10}$
BCECE-2018
Magnetism and Matter

154339 A sample of a paramagnetic salt containing $3 \times$ $10^{24}$ atomic dipoles each of dipole moment $2 \times$ $10^{-23} \mathrm{~A}-\mathrm{m}^{2}$ is subjected to a uniform magnetic field of $880 \mathrm{mT}$ and cooled to a temperature of 3.5 K. The degree of magnetic saturation achieved is $10 \%$. If the sample is subjected to a magnetic field of $990 \mathrm{mT}$ and cooled to a temperature of $2.1 \mathrm{~K}$, then the total dipole moment of the sample is

1 $11.25 \mathrm{~A}-\mathrm{m}^{2}$
2 $23.5 \mathrm{~A}-\mathrm{m}^{2}$
3 $15 \mathrm{~A}-\mathrm{m}^{2}$
4 $75 \mathrm{~A}-\mathrm{m}^{2}$
AP EAMCET (23.04.2018) Shift-2
Magnetism and Matter

154336 Assertion : To protect any instrument from external magnetic field, it is put inside an iron body.
Reason : Iron has high permeability

1 If both Assertion and Reason are correct and reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
3 If Assertion is correct but Reason is incorrect
4 If both the Assertion and Reason are incorrect
AIIMS-27.05.2018(M)
For More Updates join with Us