Principles of Electricity and Electromagnetism |
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alternating current alternating-current amperes amplifier amplitude angle angular anode antenna applied approximately assumed atoms axis battery calculated capacity cathode cell characteristic circuit coefficient coil component condenser conducting conductor considered copper current flowing curve cylinder deflection determined dielectric constant direct-current discharge distance effective electric field electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grid hence impedance induction insulating integral ions known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured medium metal meter molecules negative nonlinear normal ohms oscillations parallel plane plate polarization positive potential difference potential wave potentiometer produced proportional R₁ radius ratio reactance region represents resistance rotation Show shown in Fig solenoid solution surface temperature terminals theorem thermistor torque tube unit length V₁ vector velocity voltage volts wire written zero