Exam 32: Maxwells Equations; Magnetism of Matter

The diagram shows the spin angular momentum vectors of two electrons and two protons in the same external magnetic field. The field points upward in the diagram. Rank the situations according to the potential energy, least to greatest.

A magnetic field exists between the plates of a capacitor:

A magnetic field parallel to the x axis with a magnitude that decreases with increasing x but does not change with y and z is impossible according to:

One of the Maxwell equations begins with .... The "o" symbol in the integral sign means:

If is the orbital angular momentum of an electron, the magnetic dipole moment associated with its orbital motion:

The behavior of ferromagnetic domains in an applied magnetic field gives rise to:

Magnetization is:

Which of the following equations can be used, along with a symmetry argument, to calculate the magnetic field of a long straight wire carrying current?

The molecular theory of magnetism can explain each of the following EXCEPT:

A 1-A current is used to charge a parallel plate capacitor. A large square piece of paper is placed between the plates and parallel to them so it sticks out on all sides. The value of the integral around the perimeter of the paper is:

Magnetic dipole X is fixed and dipole Y free to move. Dipole Y will initially:

One of the crucial facts upon which the Maxwell equations are based is:

Which of the following equations, along with a symmetry argument, can be used to calculate the magnetic field between the plates of a charging parallel plate capacitor with circular plates?

The soft iron core in the solenoid shown is removable. Then:

Displacement current is:

A sinusoidal emf is connected to a parallel plate capacitor. The magnetic field between the plates is:

Which of the following equations, along with a symmetry argument, can be used to calculate the electric field produced by a uniform time-varying magnetic field?

A cylindrical region contains a uniform electric field that is parallel to the axis and is changing with time. If r is the distance from the cylinder axis the magnitude of the magnetic field outside the region is:

One of the Maxwell equations begins with .... The "o" symbol in the integral sign means:

Displacement current exists wherever there is: