Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 33
ro-ducing an electric arc or spark. This action of the electric cur-rent is suggestive of momentum, and, consequently, we shallspeak of the iiiomcnhim of the clcctnc current. The intensity ofthe spark is a rough indication of the amount of this momentum. The amount of momentum associated with a… … momentum ; the same current in circuit b has greater momen-tum, and the same current in circuit c has very much greatermomentum. When the circuit of an ordinary incandescent lamp is broken,a very slight spark is produced ; the same amount of currentflowing through a coil of wire produces a much…
Dynamos · Electric motors
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