Principles of Electricity and Electromagnetism |
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Page 2
... present stage of under- standing of electrical phenomena to retain the concept of two types of electricity as suggested by Du Fay . These types are present in equal quantities in a neutral or uncharged body . If this balance is ...
... present stage of under- standing of electrical phenomena to retain the concept of two types of electricity as suggested by Du Fay . These types are present in equal quantities in a neutral or uncharged body . If this balance is ...
Page 111
... present the current through Re , say , is i = i ' + i " . in branch 6 , the current that would flow there with both emfs . present would be i ' + i " . The sources of emf . have of course a certain resistance associated with them and ...
... present the current through Re , say , is i = i ' + i " . in branch 6 , the current that would flow there with both emfs . present would be i ' + i " . The sources of emf . have of course a certain resistance associated with them and ...
Page 428
... present , R is positive and X is negative and the available semicircles are those in the upper right - hand quadrant . When all three elements are present , X can be either positive or negative , though R is , of course , still limited ...
... present , R is positive and X is negative and the available semicircles are those in the upper right - hand quadrant . When all three elements are present , X can be either positive or negative , though R is , of course , still limited ...
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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