A Textbook in Electricity and Magnetism |
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Page 45
... Dielectric constant In the defining equation for electric charge , F = Q1Q2 / kr2 , the force is measured in a vacuum and k is arbitrarily chosen as unity and is . dimensionless . When the force is measured in air and most gases , the ...
... Dielectric constant In the defining equation for electric charge , F = Q1Q2 / kr2 , the force is measured in a vacuum and k is arbitrarily chosen as unity and is . dimensionless . When the force is measured in air and most gases , the ...
Page 61
... dielectric constant , k , is always greater than unity ( except for a vacuum , where it is unity ) , so that the force between charges is lessened by the presence of the dielectric . Electric displacement In the dielectric just ...
... dielectric constant , k , is always greater than unity ( except for a vacuum , where it is unity ) , so that the force between charges is lessened by the presence of the dielectric . Electric displacement In the dielectric just ...
Page 63
... dielectric constants . Imagine a point charge Q surrounded by two concentric shells of dielectric constant k1 and k2 . Since the number of lines of force passing through the medium k1 is 4Q / k1 and through medium k2 is 4πQ / k2 , there ...
... dielectric constants . Imagine a point charge Q surrounded by two concentric shells of dielectric constant k1 and k2 . Since the number of lines of force passing through the medium k1 is 4Q / k1 and through medium k2 is 4πQ / k2 , there ...
Contents
CHAPTER | 1 |
GRAVITATIONAL POTENTIAL | 16 |
ENERGY RELATIONS | 28 |
Copyright | |
19 other sections not shown
Common terms and phrases
acceleration ammeter Ampère's law amperes atom axis battery body Calculate called capacitance cathode cell centimeters charge Q circuit coil Compute condenser conductor connected Consider constant copper coulomb deflection density dielectric dielectric constant direction distance dynes E₁ earth effect electric field electrolyte electromagnetic electron electron volts electrostatic emitted equal equation equipotential ergs example field due field H filament flow flux frequency galvanometer Gauss's law given gram gravitational grid heat impedance induced emf ionization ions kinetic energy Kirchhoff's law lines of force magnetic field mass maximum measured metal method motion moving negative charge Ohm's law ohms parallel path plane plate current pole potential difference potential drop R₁ radius resistance resultant rotation self-inductance shown in Fig solenoid solution sphere surface temperature thermocouple torque tube unit vacuum vector velocity voltage voltmeter volts wave wire zero