## Principles of Electricity and Electromagnetism |

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Page 7

Gaylord Probasco Harnwell. the electrophones. This consists of a flat wax surface

and a

some material that leaves, say, a positive charge on its surface. If the plate is then

...

Gaylord Probasco Harnwell. the electrophones. This consists of a flat wax surface

and a

**conducting**plate with an insulating handle. The wax is first rubbed withsome material that leaves, say, a positive charge on its surface. If the plate is then

...

Page 40

(a) Parallel

A

derivative of V in Eq. (1.36) with respect to r. Setting r = 2d, the field at one charge

...

(a) Parallel

**conducting**cylinders. (6) One cylindrical conductor inside another, (c)A

**conducting**cylinder above an infinite plane conductor. the negative partialderivative of V in Eq. (1.36) with respect to r. Setting r = 2d, the field at one charge

...

Page 74

A small sphere of susceptibility x and radius a is placed at a great distance r from

a

the force with which the dielectric sphere is attracted to the

A small sphere of susceptibility x and radius a is placed at a great distance r from

a

**conducting**sphere of radius 6 which is maintained at a potential V. Show thatthe force with which the dielectric sphere is attracted to the

**conducting**one is if ...### What people are saying - Write a review

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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 grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic induction magnitude maximum measured metal meter negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potential wave potentiometer produced proportional quantities radiation radius ratio reactance region represents resistance resonant rotation scalar Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero