The magnitude of the magnetic field of a magnetic dipole as a function of the distance r (along the dipole axis) is proportional to A) 1/r. B) 1/r². C) 1/r³. D) 1/r⁴.

Question

Quizplus · Accepted Answer

The magnetic field of a magnetic dipole along its axis is proportional to 1/r^3, where r is the distance from the dipole. This is represented by the choice that includes 1/r^3, which is option C.

The Magnitude of the Magnetic Field of a Magnetic Dipole