Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 167
neticfield is produced by the permanent magnets N and S. The S r Figure 143. — A Simple Generator. 156 ELECTRICITY lines of force pass from the N-pole across, and into theS-pole. The loop of wire is a conductor; and when itrevolves in this magnetic field, it cuts the lines of force,and electrical… … Figure 144. — Cross Section of Simple A. C Generator. this discussion we shall mention only one side of the loop ofwire. Suppose we start with the wire at position a and turn itaround, or revolve the loop at uniform speed. At position a the wire is moving parallel to the lines offorce, and so does…
Physics
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