The book Wireless Telegraphy was written by author Jonathan Adolf Wilhelm Zenneck Here you can read free online of Wireless Telegraphy book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Wireless Telegraphy a good or bad book?
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283. In each period, T, there are two different portions, viz. , the subperiod, Ti, called the "discharging stage, " during which the arc burns (7 is not zero), and the subperiod, T 2, the "charging stage, " during which the condenser acquires its charge, the arc being extinguished and the current / = 0. During the first subperiod, TI, the curve of the current, /i, in the con- denser circuit is part of a sine curve* i. E. , we have an ordinary alter- nating current. During the second portion, T... 2, the current is a direct current /i = IQ. The voltage, V, across the condenser coatings varies correspondingly: during 7\ it is oscillatory, during Tz it rises from the value F a, at which the arc was extinguished, to the value, V 2) at which it is again ignited, rising approximately in a straight line. F The voltage, F, across the arc falls abruptly from the value, V z, which it has at the moment of ignition, to the value, F&, which it has during the t \ ^4- ^ _^ *o J r o 7 +/]^/ V t 1 o /j, I FIG.
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