GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
21. | Which one of the following principles best describes the basic operation of an electromagnet? | |
A. | Current is induced in a conductor that is moving through a magnetic field | |
B. | Like magnetic poles repel, while unlike poles attract | |
C. | Current flowing through a conductor generates a magnetic field | |
D. | Like magnetic poles attract, while unlike poles repel | |