Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 58
nt through P is20 to 30 volts. The student should note that, al-though the interrupted direct current inwinding P induces an alternating currentin the winding S, the induced pressure(in winding S) is considerably more in-tense at the break of the primary cur-rent than at the make. This is dueto the… … mill Fig. 57—Fundamental Diagram of Induction Coil. 48 PRACTICAL WIRELESS TELEGRAPHY. 3a
Telegraph, Wireless
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