Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 90
Page 42
... volts per meter . Show that if the sphere is at a great distance from all other objects , its potential is then 3 × 105 volts . If the charge is negative , to how many electrons would this charge correspond ? What would be the increase ...
... volts per meter . Show that if the sphere is at a great distance from all other objects , its potential is then 3 × 105 volts . If the charge is negative , to how many electrons would this charge correspond ? What would be the increase ...
Page 242
... volts rather than from 1 to 6 as in the case of surfaces . Thus higher frequencies are necessary for photo- ionization than for surface photoelectric emission . This process plays an important part in producing ions uniformly throughout ...
... volts rather than from 1 to 6 as in the case of surfaces . Thus higher frequencies are necessary for photo- ionization than for surface photoelectric emission . This process plays an important part in producing ions uniformly throughout ...
Page 419
... volts if the reactance of the windings is 2 ohms at the applied frequency . 14. A 10 - kw . 60 - cycle transformer is designed to operate from 2,400 to 120 volts . Show that the core area should be about 120 cm.2 and if the flux density ...
... volts if the reactance of the windings is 2 ohms at the applied frequency . 14. A 10 - kw . 60 - cycle transformer is designed to operate from 2,400 to 120 volts . Show that the core area should be about 120 cm.2 and if the flux density ...
Other editions - View all
Common terms and phrases
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 dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero