A rectangular coil of dipole moment fi, free to rotate, is placed in a uniform magnetic field B with its plane parallel to the magnetic lines of force. Then, the coil will
A. rotate to maximize the magnetic flux through its plane
B. rotate to minimize the magnetic flux through its plane
C. not experience any torque
D. experience a constant torque equal to μB.
Answer:C
A rectangular coil of dipole moment fi, free to rotate, is placed in a uniform magnetic field B with its plane parallel to the magnetic lines of force. Then, the coil will
A. rotate to maximize the magnetic flux through its plane B. rotate to minimize the magnetic flux through its plane C. not experience any torque D. experience a constant torque equal to μB.