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 419
... output voltage up to that of the generator ? Assuming a transformer efficiency of 97 per cent , what is the available power output ? ( Assume unit power factor . ) Need the entire winding of the autotransformer have the same current ...
... output voltage up to that of the generator ? Assuming a transformer efficiency of 97 per cent , what is the available power output ? ( Assume unit power factor . ) Need the entire winding of the autotransformer have the same current ...
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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grad grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic moment magnitude maximum measured metal meter negative obtained ohms oscillations output parallel phase plate positive potential difference potential wave potentiometer produced proportional quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation shown in Fig solenoid solution surface temperature terminals theorem torque tube unit V₁ vector velocity voltage volts wire written zero