Principles of Electricity and Electromagnetism |
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Page 264
... phase of the grid potential . Amplitude control circuits . The upper curve of Fig . 8.14 gives the average anode current as a function of the amplitude of the grid - potential wave at 180 ° phase difference ( grid negative when anode is ...
... phase of the grid potential . Amplitude control circuits . The upper curve of Fig . 8.14 gives the average anode current as a function of the amplitude of the grid - potential wave at 180 ° phase difference ( grid negative when anode is ...
Page 408
... phase generator , three - wire power distribution . ( b ) Three - phase generator ; ( c ) three - wire distribution A ; ( d ) three - wire distribution L. In two- and three - phase circuits the phases may be kept entirely separate or ...
... phase generator , three - wire power distribution . ( b ) Three - phase generator ; ( c ) three - wire distribution A ; ( d ) three - wire distribution L. In two- and three - phase circuits the phases may be kept entirely separate or ...
Page 410
... phase circuits . Two transformers are required in what is known a b C Vdc Ens 13/2 ns / 2 Leeeeeer Leeeeeee d , пр 00000000000 Vda ! Vbd Vba` Vbc 5/2 " ca Vab Phase 1 Phase 2 Nabl = Nbcl - cal = = ns Пр FIG . 12.24 . - Scott - connected ...
... phase circuits . Two transformers are required in what is known a b C Vdc Ens 13/2 ns / 2 Leeeeeer Leeeeeee d , пр 00000000000 Vda ! Vbd Vba` Vbc 5/2 " ca Vab Phase 1 Phase 2 Nabl = Nbcl - cal = = ns Пр FIG . 12.24 . - Scott - connected ...
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angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero