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 28
t aSingle Loop 19 10 DIRECT-CURRENT DYNAMOS leaving by one end and returning by the opposite end. A cylinderof soft iron inserted in the space within the solenoid will be foundto act strongly as a magnet when the current flows around thesolenoid; but if the current is interrupted, the magnetic… … Fig. 8. Magnetic Field about a Solenoid winding is called an electromagnet since it depends for its magnet-ism upon an electric current. Toroid. Bend the solenoid around until its ends meet; or pro-duce the same winding by turning insulated wire around an endlessring core of circular cross-section,…
Electrical engineering
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