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A solid iron cylinder is placed in a region containing a uniform magnetic field such that the cylinder axis is parallel to the magnetic field direction. The magnetic field lines inside the cylinder will
- a)bend closer to the cylinder axis
- b)bend farther away from the axis
- c)remain uniform as before
- d)cease to exist inside the cylinder
Correct answer is option 'A'. Can you explain this answer?
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A solid iron cylinder is placed in a region containing a uniform magne...
Flux always chooses less reluctance path. So flux tried to flow inside the conductor and closer to the axis of the cylinder.
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A solid iron cylinder is placed in a region containing a uniform magne...
The Effect of a Uniform Magnetic Field on a Solid Iron Cylinder
When a solid iron cylinder is placed in a region containing a uniform magnetic field, the behavior of the magnetic field lines inside the cylinder can be analyzed. Let's explore the possible outcomes and reasons for each:
1. Magnetic Field Lines Bend Closer to the Cylinder Axis (Correct answer: option 'A')
When a solid iron cylinder is placed in a uniform magnetic field, the magnetic field lines tend to concentrate or bend closer to the cylinder axis. This phenomenon is known as magnetic field line compression. Several factors contribute to this behavior:
- Magnetic Susceptibility: Iron is a ferromagnetic material, which means it has a high magnetic susceptibility. When exposed to a magnetic field, the iron atoms align their magnetic moments in the direction of the field, enhancing the overall magnetic field within the material.
- Magnetic Permeability: Iron also has a high magnetic permeability, meaning it allows magnetic field lines to pass through it more easily compared to air or other non-magnetic materials. As a result, the magnetic field lines tend to concentrate within the iron cylinder.
- Magnetic Induction: The presence of a magnetic field induces a magnetic field within the iron cylinder, which can further enhance the concentration of magnetic field lines within the material.
2. Magnetic Field Lines Bend Farther Away from the Axis (Incorrect answer: option 'B')
This outcome is not observed in a solid iron cylinder placed in a uniform magnetic field. Since iron is a ferromagnetic material, it attracts magnetic field lines towards itself, causing them to bend closer to the cylinder axis.
3. Magnetic Field Lines Remain Uniform as Before (Incorrect answer: option 'C')
This outcome is also not observed in a solid iron cylinder placed in a uniform magnetic field. The presence of the iron cylinder alters the distribution of magnetic field lines, causing them to concentrate closer to the cylinder axis.
4. Magnetic Field Lines Cease to Exist Inside the Cylinder (Incorrect answer: option 'D')
This outcome is not observed in a solid iron cylinder placed in a uniform magnetic field. The iron cylinder does not block or eliminate the magnetic field lines; rather, it causes them to concentrate within the material, enhancing the overall magnetic field.
In conclusion, when a solid iron cylinder is placed in a region containing a uniform magnetic field, the magnetic field lines inside the cylinder will bend closer to the cylinder axis. This behavior is due to the high magnetic susceptibility and permeability of iron, as well as the magnetic induction induced by the external magnetic field.
When a solid iron cylinder is placed in a region containing a uniform magnetic field, the behavior of the magnetic field lines inside the cylinder can be analyzed. Let's explore the possible outcomes and reasons for each:
1. Magnetic Field Lines Bend Closer to the Cylinder Axis (Correct answer: option 'A')
When a solid iron cylinder is placed in a uniform magnetic field, the magnetic field lines tend to concentrate or bend closer to the cylinder axis. This phenomenon is known as magnetic field line compression. Several factors contribute to this behavior:
- Magnetic Susceptibility: Iron is a ferromagnetic material, which means it has a high magnetic susceptibility. When exposed to a magnetic field, the iron atoms align their magnetic moments in the direction of the field, enhancing the overall magnetic field within the material.
- Magnetic Permeability: Iron also has a high magnetic permeability, meaning it allows magnetic field lines to pass through it more easily compared to air or other non-magnetic materials. As a result, the magnetic field lines tend to concentrate within the iron cylinder.
- Magnetic Induction: The presence of a magnetic field induces a magnetic field within the iron cylinder, which can further enhance the concentration of magnetic field lines within the material.
2. Magnetic Field Lines Bend Farther Away from the Axis (Incorrect answer: option 'B')
This outcome is not observed in a solid iron cylinder placed in a uniform magnetic field. Since iron is a ferromagnetic material, it attracts magnetic field lines towards itself, causing them to bend closer to the cylinder axis.
3. Magnetic Field Lines Remain Uniform as Before (Incorrect answer: option 'C')
This outcome is also not observed in a solid iron cylinder placed in a uniform magnetic field. The presence of the iron cylinder alters the distribution of magnetic field lines, causing them to concentrate closer to the cylinder axis.
4. Magnetic Field Lines Cease to Exist Inside the Cylinder (Incorrect answer: option 'D')
This outcome is not observed in a solid iron cylinder placed in a uniform magnetic field. The iron cylinder does not block or eliminate the magnetic field lines; rather, it causes them to concentrate within the material, enhancing the overall magnetic field.
In conclusion, when a solid iron cylinder is placed in a region containing a uniform magnetic field, the magnetic field lines inside the cylinder will bend closer to the cylinder axis. This behavior is due to the high magnetic susceptibility and permeability of iron, as well as the magnetic induction induced by the external magnetic field.
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A solid iron cylinder is placed in a region containing a uniform magnetic field such that the cylinder axis is parallel to the magnetic field direction. The magnetic field lines inside the cylinder willa)bend closer to the cylinder axisb)bend farther away from the axisc)remain uniform as befored)cease to exist inside the cylinderCorrect answer is option 'A'. Can you explain this answer?
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Solutions for A solid iron cylinder is placed in a region containing a uniform magnetic field such that the cylinder axis is parallel to the magnetic field direction. The magnetic field lines inside the cylinder willa)bend closer to the cylinder axisb)bend farther away from the axisc)remain uniform as befored)cease to exist inside the cylinderCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for GATE.
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