GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
17. | Which one of the following phrases best describes residual magnetism? | |
A. | Magnetism that remains in the core of an electromagnet after the current through the coil is turned off | |
B. | The force of attraction between the poles of a permanent and temporary magnetic field | |
C. | The amount of magnetic flux that is not confined to the core material of an electromagnet | |
D. | The circular magnetic field that surrounds a conductor carrying a current | |