- 1(current)
Q. No.For protecting a magnetic needle, it should be placed:
| 1. | In an iron box. |
| 2. | In a wooden box. |
| 3. | In a metallic box. |
| 4. | None of these. |
Subtopic: Â Magnetic Materials |
From NCERT
AIPMT - 1998
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Among which of the following the magnetic susceptibility does not depend on the temperature:
1. Diamagnetism
2. Paramagnetism
3. Ferromagnetism
4. Ferrite
Subtopic: Â Magnetic Materials |
 87%
From NCERT
AIPMT - 2001
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Diamagnetic material in a magnetic field moves:
| 1. | from stronger to the weaker parts of the field |
| 2. | from weaker to the stronger parts of the field |
| 3. | perpendicular to the field |
| 4. | in none of the above directions |
Subtopic: Â Magnetic Materials |
 81%
From NCERT
AIPMT - 2003
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If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by \(\mu_d,~\mu_p,~\text{and}~\mu_f\) respectively, then:
1. \(\mu_p= 0 ~\text{and}~\mu_f \ne0\)
2. \(\mu_d\neq 0 ~\text{and}~\mu_p=0\)
3. \(\mu_d\ne 0 ~\text{and}~\mu_f \ne0\)
4. \(\mu_d= 0 ~\text{and}~\mu_p \ne0\)
Subtopic: Â Magnetic Materials |
 79%
From NCERT
AIPMT - 2005
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- 1(current)
Q. No.
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