Principles of Electricity and Electromagnetism |
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Page 77
... direction of the field . It may be shown that this leads on simple assumptions to an effective polarization E GID EIÐ Field E No field FIG . 3.1 . — Schematic representation of the instantaneous orientation of the molecules of a polar ...
... direction of the field . It may be shown that this leads on simple assumptions to an effective polarization E GID EIÐ Field E No field FIG . 3.1 . — Schematic representation of the instantaneous orientation of the molecules of a polar ...
Page 284
... direction U ; the particle starting from rest never achieves a greater displacement in the direction of the electric field than 2r ' . Another interesting case is the path from A to A ' in the direction U. This corresponds to p ' = 0 or ...
... direction U ; the particle starting from rest never achieves a greater displacement in the direction of the electric field than 2r ' . Another interesting case is the path from A to A ' in the direction U. This corresponds to p ' = 0 or ...
Page 587
... direction of A but with twice the magnitude of A , i.e. , the vector 2A . Thus the product of a scalar n and a vector A , which is written n △ , is a vector in the direction of A with a length equal to n times that of A. If a is a ...
... direction of A but with twice the magnitude of A , i.e. , the vector 2A . Thus the product of a scalar n and a vector A , which is written n △ , is a vector in the direction of A with a length equal to n times that of A. If a is a ...
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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 discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grad grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic moment magnitude maximum measured metal meter negative obtained ohms oscillations output parallel phase plate positive potential difference potential wave potentiometer produced proportional quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation shown in Fig solenoid solution surface temperature terminals theorem torque tube unit V₁ vector velocity voltage volts wire written zero