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11 Dec 2019
1.Which describes the torque on a magnetic dipole in a uniform magnetic field?
a
It tends to rotate the dipole so that the dipole moment vector is in the direction of the magnetic field.
b
It tends to rotate the dipole so that the dipole moment vector is perpendicular to the magnetic field.
c
It tends to rotate the dipole so that the dipole moment vector is in the direction opposite that of the magnetic field.
2. Which describes the vector calculations of the potential energy and torque for a magnetic dipole in a magnetic field?
a
The potential energy and the torque both involve a cross product.
b
The potential energy and the torque both involve a dot product.
c
The potential energy involves a cross product; the torque involves a dot product.
d
The potential energy involves a dot product; the torque involves a cross product.
3. A magnetic dipole is in a uniform magnetic field. For which orientation is the potential energy of the dipole least?
a
The dipole moment is in the direction of the magnetic field.
b
The dipole moment is perpendicular to the magnetic field.
c
The dipole moment is in the direction opposite that of the magnetic field.
1.Which describes the torque on a magnetic dipole in a uniform magnetic field?
| a | It tends to rotate the dipole so that the dipole moment vector is in the direction of the magnetic field. |
| b | It tends to rotate the dipole so that the dipole moment vector is perpendicular to the magnetic field. |
| c | It tends to rotate the dipole so that the dipole moment vector is in the direction opposite that of the magnetic field. |
2. Which describes the vector calculations of the potential energy and torque for a magnetic dipole in a magnetic field?
| a | The potential energy and the torque both involve a cross product. |
| b | The potential energy and the torque both involve a dot product. |
| c | The potential energy involves a cross product; the torque involves a dot product. |
| d | The potential energy involves a dot product; the torque involves a cross product. |
3. A magnetic dipole is in a uniform magnetic field. For which orientation is the potential energy of the dipole least?
| a | The dipole moment is in the direction of the magnetic field. |
| b | The dipole moment is perpendicular to the magnetic field. |
| c | The dipole moment is in the direction opposite that of the magnetic field. |
Ankit LalLv10
23 Sep 2020
