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 181
t between the sepa-rated points, and the gas issuingfrom the jet is ignited by it. This principle of self-inductionis also employed in the make-and-break ignition system which issometimes used on gas engines.The spark coil is connected inseries with a battery or magnetoand some kind of… … Fig. 94. — Make-and-hreak sparkcoil used for ignition. ELECTROMAGNETIC INDUCTION 153 ing point B. When A and B separate, the self-induction of thecoil causes enough induced e.m.f. to make a spark jump acrossthe gap between them. 114. Mutual attraction or repulsion of electric circuits.The fact that…
Electricity · Magnetism
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