Principles of Electricity and Electromagnetism |
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Page 119
... quantities V , i , and P in terms of the third . Also it is easier to prepare , maintain , and compare standards of resistance than for any of the other elec- trical quantities . It is evidently necessary to have a practical standard of ...
... quantities V , i , and P in terms of the third . Also it is easier to prepare , maintain , and compare standards of resistance than for any of the other elec- trical quantities . It is evidently necessary to have a practical standard of ...
Page 587
... quantities capable of representation by an arrow are not vectors in the sense in which the term is here used . All directed electric and magnetic quantities are vectors and obey the laws of manipulation which are given below . There ...
... quantities capable of representation by an arrow are not vectors in the sense in which the term is here used . All directed electric and magnetic quantities are vectors and obey the laws of manipulation which are given below . There ...
Page 601
... quantities . The unit of time is the second ( 1 / 86,400 of a mean solar day ) . No constants of propor- tionality appear in the ordinary mechanical equations . The unit of force , which is called the newton , is that force which ...
... quantities . The unit of time is the second ( 1 / 86,400 of a mean solar day ) . No constants of propor- tionality appear in the ordinary mechanical equations . The unit of force , which is called the newton , is that force which ...
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Common terms and phrases
alternating current alternating-current amplitude angle angular velocity anode applied approximately armature assumed atom axis calculated capacity cathode cell centimeter characteristic charge q circuit coefficient coil component condenser conduction conductor considered copper current density current flowing curve cylinder deflection determined dielectric constant direct-current discharge distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic filament flux force frequency function galvanometer given grad grid hence hysteresis impedance induction insulating integral known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured medium metal meter molecules negative normal obtained ohms parallel plate polarization potential difference potential wave potentiometer produced proportional quantity R₁ radius ratio rectifier region represents resistance rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque tube V₁ vector voltage volts wire written zero