Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 24
[K Fig. Direct Proof that Magnetic Lines ofForce are Curved. 15 6 ELECTRICITY AND MAGNETISM … Fig. 9. Shape of Magnetic Field about a Bar Magnet. 8. Magnetic Fields of Force. The region about a magnet inwhich its magnetic forces can be detected is called its field of force.The simplest way of gaining an idea of the way in which the lines of force are arrangedin the magneticfield about…
Electrical engineering
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