Principles of Electricity and Electromagnetism |
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Page 42
... radius R is charged to a uniform surface density qs . Show that the electric field on the axis of the disk a distance x from the center is given by Ex = [ 1 2KO - x ( R2 + x2 ) −1⁄2 ] 9. Show that it is not possible to produce a ...
... radius R is charged to a uniform surface density qs . Show that the electric field on the axis of the disk a distance x from the center is given by Ex = [ 1 2KO - x ( R2 + x2 ) −1⁄2 ] 9. Show that it is not possible to produce a ...
Page 306
... radius of curvature of the path of a 100 - volt electron moving normally to this field ? 3. A magnetron consists of a filament of 0.2 mm . radius surrounded by a cylin- drical plate of 3 cm . radius . It is observed that when the tube ...
... radius of curvature of the path of a 100 - volt electron moving normally to this field ? 3. A magnetron consists of a filament of 0.2 mm . radius surrounded by a cylin- drical plate of 3 cm . radius . It is observed that when the tube ...
Page 307
... radius of the circuit and is the angle subtended by a radius at the axial point . 16. A sphere of radius a is charged to a uniform surface density σ and rotated about an axis through its center with an angular velocity w . Show that the ...
... radius of the circuit and is the angle subtended by a radius at the axial point . 16. A sphere of radius a is charged to a uniform surface density σ and rotated about an axis through its center with an angular velocity w . Show that the ...
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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