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 269
duced while the armature is standingstill; and the current that instantly tends to flow through thearmature is, in accordance with Ohms Law, — = 733 amperes0.3 — a sufficient current to overheat and ruin the armature, unlessthe circuit is instantly broken. It is necessary, therefore, to insert a… … tJc3
Electricity · Magnetism
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