Principles of Electricity and Electromagnetism |
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Page 407
... Output Input Input ( a ) ( b ) Output FIG . 12.21 . ( a ) Tapped autotransformer for voltage alteration . ( b ) Induction voltage regulator . The secondaries may supply separate circuits or may be connected arbi- trarily in series to ...
... Output Input Input ( a ) ( b ) Output FIG . 12.21 . ( a ) Tapped autotransformer for voltage alteration . ( b ) Induction voltage regulator . The secondaries may supply separate circuits or may be connected arbi- trarily in series to ...
Page 418
... output characteristic ( output voltage as a function of output current ) . What would be the maximum output of the machine ? 5. A homopolar generator of the type of Fig . 12.11 consists of a steel disk 30 cm . in radius rotating at the ...
... output characteristic ( output voltage as a function of output current ) . What would be the maximum output of the machine ? 5. A homopolar generator of the type of Fig . 12.11 consists of a steel disk 30 cm . in radius rotating at the ...
Page 448
... output of such a device is greater than the alternating - current power input , any transfer of output power to the input may result in instability . This ques- tion will be considered further in connec- tion with oscillating circuits ...
... output of such a device is greater than the alternating - current power input , any transfer of output power to the input may result in instability . This ques- tion will be considered further in connec- tion with oscillating circuits ...
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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