Which of the following can be used instead of magnets to produce the magnetic field?
A. Inductor
B. Motor
C. Generator
D. Superconducting solenoids
Answer:D
Which of the following can be used instead of magnets to produce the magnetic field?
A. Inductor B. Motor C. Generator D. Superconducting solenoids
Explanation: Superconducting solenoids can be used instead of magnets to produce the magnetic field. The magnet must be stable and homogeneous.