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Questions and Answers
What is the characteristic of the special metal S?
What is the characteristic of the special metal S?
- It does not conduct electricity at all
- It conducts electricity with some resistance
- It only conducts electricity under certain conditions
- It conducts electricity without any resistance (correct)
What is the purpose of the induced current in the loop?
What is the purpose of the induced current in the loop?
- To generate heat in the loop
- To repel the magnetic dipole (correct)
- To attract the magnetic dipole
- To change the flux through the loop
What is the direction of the magnetic dipole's north pole with respect to the loop?
What is the direction of the magnetic dipole's north pole with respect to the loop?
- Always facing the loop (correct)
- Alternating between facing and away from the loop
- Perpendicular to the loop
- Always facing away from the loop
What is the formula for the magnitude of the magnetic field of a dipole m, at a point on its axis at distance r?
What is the formula for the magnitude of the magnetic field of a dipole m, at a point on its axis at distance r?
Why does the induced current in the loop not decay?
Why does the induced current in the loop not decay?
What is the condition for the distance r of the magnetic dipole from the loop's centre?
What is the condition for the distance r of the magnetic dipole from the loop's centre?
What is the direction of the force between two magnetic dipoles with moments m1 and m2, separated by a distance r on the common axis?
What is the direction of the force between two magnetic dipoles with moments m1 and m2, separated by a distance r on the common axis?
What is the current induced in the loop when a magnetic dipole is placed at a distance r from the center of the loop?
What is the current induced in the loop when a magnetic dipole is placed at a distance r from the center of the loop?
What is the work done in bringing a magnetic dipole from infinity to a distance r from the center of the loop?
What is the work done in bringing a magnetic dipole from infinity to a distance r from the center of the loop?
What is the magnitude of the force between two magnetic dipoles with moments m1 and m2, separated by a distance r on the common axis?
What is the magnitude of the force between two magnetic dipoles with moments m1 and m2, separated by a distance r on the common axis?
What is the direction of the magnetic field lines of a magnetic dipole?
What is the direction of the magnetic field lines of a magnetic dipole?
What is the physical significance of the magnetic moment of a magnetic dipole?
What is the physical significance of the magnetic moment of a magnetic dipole?
What is the direction of the magnetic field B?
What is the direction of the magnetic field B?
What is the condition for BP = 0?
What is the condition for BP = 0?
What is the nature of the magnetic field at the centre?
What is the nature of the magnetic field at the centre?
What is the reason for the magnetic field changing rapidly as point P approaches the circumference?
What is the reason for the magnetic field changing rapidly as point P approaches the circumference?
What can be said about the magnetic field inside the inner loop?
What can be said about the magnetic field inside the inner loop?
What is the relationship between x1 and x2?
What is the relationship between x1 and x2?
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