The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 115
oids fixedin the position shown in Fig. 67. If a current is started in oneof them, A, there will be a current induced in the other, whichwill continue to flow as long- as the current in A is increasing.If the current in A becomes steady, there is no current inducedin B. If the current in A falls… … \ I! O When a cur rentis started orstopped in circuit A, an emf ,current is startecin circuit A, an e,is Induced in circuit B. Fig. 69 +>£}&* mm B 6 Fig. 68Current starting rn A inducesa current in B. B 6, 3=£ c;> Current stopping m Ainduces a current in B. §==# Fig 70. Circuits A and B…
Telegraph, Wireless · Radio
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