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The Principles of Electric Wave Telegraphy and Telephony
Sir John Ambrose Fleming
Visualização completa - 1916
alternating current armature calculated capacity carbon centimetres charge coherer conductor connected curve cymometer damping deﬂection detector diameter dielectric constant dielectric strength direction disc discharge distance ebonite electric force electric oscillations electric strain electric waves electrodes electrolytic electrolytic detector electromagnetic electromotive force electrostatic employed energy equal equation expression ﬁeld ﬁlings ﬁnd ﬁne ﬁrst ﬁxed ﬂowing ﬂux formula galvanometer given glass helix Hence Hertz high frequency increase induction coil inﬁnite insulated iron J. J. Thomson Leyden jar lines of electric logarithmic decrement loop magnetic force Marconi maximum value measured mercury metal method node obtained ohms oscillation transformer oscillatory circuit period placed plates platinum potential difference primary circuit produced quantity radiation ratio refractive index resonator rods secondary circuit shunt spark balls spark gap spark length spark resistance spiral surface telegraphy terminals tube vector velocity voltage volts wave length wireless