Principles of Electricity and Electromagnetism |
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Page 84
... mechanical stresses are suitably applied to these crystals , a separation . of charge takes place , certain regions becoming positively charged and others negatively charged . The phenomenon is known as the piezo- electric effect . In ...
... mechanical stresses are suitably applied to these crystals , a separation . of charge takes place , certain regions becoming positively charged and others negatively charged . The phenomenon is known as the piezo- electric effect . In ...
Page 394
... mechanical form is called a motor . It is essentially the same type of machine as the electric generator but reversed in function . Any of the types of generators that have been discussed in the preceding section can be run backward and ...
... mechanical form is called a motor . It is essentially the same type of machine as the electric generator but reversed in function . Any of the types of generators that have been discussed in the preceding section can be run backward and ...
Page 465
... mechanical displacement and F a mechanical force , the differential equation of the mechanical system is then d2x α dt2 dx + B + rx = F dt ( 14.15 ) The Greek letters stand for the parameters of the system and depend on the particular ...
... mechanical displacement and F a mechanical force , the differential equation of the mechanical system is then d2x α dt2 dx + B + rx = F dt ( 14.15 ) The Greek letters stand for the parameters of the system and depend on the particular ...
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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 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