From a practical point of view, the magnetic property of an electric current is of great value to man. It is this property that is utilized in the dynamo for the generation of large currents of electricity. It is also this property that enables man to utilize the driving power of the electric motor in the manufacturing industries.
©1931 by Iowa State Teachers College
"The Magnetic Effect of an Electric Current,"
Science Bulletin: Vol. 3:
9, Article 12.
Available at: https://scholarworks.uni.edu/science_bulletin/vol3/iss9/12