An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 174
move the current-carrying primary coil P either into orout of the other secondary coil S, ane.m.f. is induced in S, just as when wemove a magnet in and out of a coil.We find that after the primary coil Pis pushed into the secondary coil Sand its movement is stopped, thee.m.f. in the secondary is… … E.m.f. induced by mov-ing current. 146 ELECTRICITY AND MAGNETISM We may increase the induced e.m.f. by increasing the intensity ofthe current in coil P or by inserting an iron coil inside the primary coil. Finally, we may put the primary coil with its iron coil inside thesecondary coil, and then…
Electricity · Magnetism
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