Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 353
hown in the figure, thatproduces an alternatingpressure. When the dia-phragm (D) is in its nor-mal position, it offers no opposition to the flow of theliquid through the pipe in either direction. As soon, how-ever, as the diaphragm is displaced from its neutral posi-tion, it sets up a reaction… … Fig. 281 THE ALTEKNATING-CUREENT CIRCUIT 343 the pipe, and when the reaction becomes equal to the actingpressure there will be no current. If, now, the current be re-versed in direction, the diaphragm will return to its normalposition, and while it is returning, ^^ will act in the samedirection as…
Electrical engineering
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