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The magnetic susceptibility of a magnetic material at 227o C is -0.00002. Then magnetic susceptibility of material at 727o C will be
- a)-0.00002
- b)-0.00004
- c)-0.00001
- d)-0.00008
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
The magnetic susceptibility of a magnetic material at 227o C is -0.000...
Explanation:
Magnetic susceptibility is defined as the ratio of magnetic moment per unit volume to the applied magnetic field. It is denoted by χ.
χ = M/H
where M is the magnetic moment per unit volume and H is the applied magnetic field.
Given, χ1 = -0.00002 at T1 = 227°C
We need to find the value of χ2 at T2 = 727°C.
The magnetic susceptibility of a material depends on its temperature. As the temperature of the material increases, the magnetic susceptibility decreases.
This is due to the following reasons:
1. Thermal motion of atoms/molecules: As the temperature increases, the thermal motion of atoms/molecules increases. This leads to a decrease in the alignment of magnetic moments in the material, resulting in a decrease in magnetic susceptibility.
2. Magnetic ordering: At low temperatures, magnetic moments in a material tend to align themselves in a specific direction, resulting in a high magnetic susceptibility. As the temperature increases, the magnetic ordering decreases, resulting in a decrease in magnetic susceptibility.
Therefore, we can say that as the temperature of a material increases, its magnetic susceptibility decreases.
Hence, the magnetic susceptibility of the material at T2 = 727°C will be less than its magnetic susceptibility at T1 = 227°C.
Since the given options are decreasing in value, we can eliminate options (C) and (D).
Now, we need to choose between options (A) and (B).
Since we know that the magnetic susceptibility decreases with temperature, we can safely choose option (A) as the answer, which is -0.00002.
Magnetic susceptibility is defined as the ratio of magnetic moment per unit volume to the applied magnetic field. It is denoted by χ.
χ = M/H
where M is the magnetic moment per unit volume and H is the applied magnetic field.
Given, χ1 = -0.00002 at T1 = 227°C
We need to find the value of χ2 at T2 = 727°C.
The magnetic susceptibility of a material depends on its temperature. As the temperature of the material increases, the magnetic susceptibility decreases.
This is due to the following reasons:
1. Thermal motion of atoms/molecules: As the temperature increases, the thermal motion of atoms/molecules increases. This leads to a decrease in the alignment of magnetic moments in the material, resulting in a decrease in magnetic susceptibility.
2. Magnetic ordering: At low temperatures, magnetic moments in a material tend to align themselves in a specific direction, resulting in a high magnetic susceptibility. As the temperature increases, the magnetic ordering decreases, resulting in a decrease in magnetic susceptibility.
Therefore, we can say that as the temperature of a material increases, its magnetic susceptibility decreases.
Hence, the magnetic susceptibility of the material at T2 = 727°C will be less than its magnetic susceptibility at T1 = 227°C.
Since the given options are decreasing in value, we can eliminate options (C) and (D).
Now, we need to choose between options (A) and (B).
Since we know that the magnetic susceptibility decreases with temperature, we can safely choose option (A) as the answer, which is -0.00002.
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Community Answer
The magnetic susceptibility of a magnetic material at 227o C is -0.000...
Magnetic suseceptibility for Diamagnetic material is independent of temperature. then option A will be answer But for that it should be mentioned in question that it is for diamagnetic material .
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The magnetic susceptibility of a magnetic material at 227o C is -0.00002. Then magnetic susceptibility of material at 727o C will bea)-0.00002b)-0.00004c)-0.00001d)-0.00008Correct answer is option 'A'. Can you explain this answer?
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