An iron rod of susceptibility 599 is subjected to a magnetising field of 1200 A m-1. The permeability of the material of the rod is:

1.

2.

3.

4.

Subtopic:  Magnetization & Magnetic Intensity |
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At point A on the earth's surface, the angle of dip is, $\delta =+25°$. At a point B on the earth's surface, the angle of dip is, $\delta =-25°$. We can interpret that:

1. A and B are both located in the southern hemisphere.

2. A and B are both located in the northern hemisphere.

3. A is located in the southern hemisphere and B is located in the northern hemisphere.

4. A is located in the northern hemisphere and B is located in the southern hemisphere.

Subtopic:  Earth's Magnetism |
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The relation amongst the three elements of Earth's magnetic field, namely horizontal component H, vertical component V and dip angle is: (${B}_{E}$=total magnetic field)

1. V=${B}_{E}$tan$\delta$, H=${B}_{E}$

2. V=${B}_{E}$sin$\delta$, H=${B}_{E}$cos$\delta$

3. V=${B}_{E}$cos$\delta$, H=${B}_{E}$sin $\delta$

4. V=${B}_{E}$, H=${B}_{E}$tan$\delta$

Subtopic:  Earth's Magnetism |
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Assertion (A): Gauss's law for magnetism states that the net magnetic flux through any closed surface is zero.
Reason (R): The magnetic monopoles do not exist. North and South poles occur in pairs, allowing vanishing net magnetic flux through the surface.
1. (A) is true but (R) is false.
2. (A) is false but (R) is true.
3. both (A) and (R) are true and (R) is the correct
explanation of (A).
4. both (A) and (R) are true but (R) is not the correct
explanation of (A).

Subtopic:  Analogy between Electrostatics & Magnetostatics |
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 I: The magnetic field of a circular loop at very far away point on the axial line varies with distance as like that of a magnetic dipole. II: The magnetic field due to magnetic dipole varies inversely with the square of the distance from the centre on the axial line.

Select correct option based on the above statements:

 1 I is correct and II is incorrect. 2 I is incorrect and II is correct. 3 Both I and II are correct. 4 Both I and II are incorrect.
Subtopic:  Analogy between Electrostatics & Magnetostatics |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh