Principles of Electricity and Electromagnetism |
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Page 49
... energy . From Eq . ( 2.1 ) the change in electrostatic energy associated with a change in the positions of the conductors in which the potentials remain unaltered is given by δυ i = n 1 = Σδα : ν : i 2 i = 1 The battery , however , must ...
... energy . From Eq . ( 2.1 ) the change in electrostatic energy associated with a change in the positions of the conductors in which the potentials remain unaltered is given by δυ i = n 1 = Σδα : ν : i 2 i = 1 The battery , however , must ...
Page 103
... energy into an electrical form . The electrostatic generator and rotating electromagnetic machinery convert mechanical into electrical energy . The various types of voltaic cells , which in combination form batteries , are essentially ...
... energy into an electrical form . The electrostatic generator and rotating electromagnetic machinery convert mechanical into electrical energy . The various types of voltaic cells , which in combination form batteries , are essentially ...
Page 296
... energy function will be used in the sub- sequent discussion . It is evident from any of these expressions that a circuit carrying a constant current tends to take up such a position as to include the largest possible flux through it in ...
... energy function will be used in the sub- sequent discussion . It is evident from any of these expressions that a circuit carrying a constant current tends to take up such a position as to include the largest possible flux through it in ...
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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