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Parti The ElectroStatic Field
B The energy stored per unit volume of a dielectric
The effect of the dielectric constant K on capacitance
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air-gap ampere ampere-turns armature atoms axis calculated capacitance carrying a current centimetre centre charge q circuital law coefficient coil component concept condenser conduction current conductor Consider coulomb current circuits current element current flows cylinder definition density dielectric constant direction displacement current distance e.m.f. induced effect electric and magnetic electric charges electric current electro-magnetic electro-static field electrons energy stored equal equation farad field due field intensity flux linking flux-density free space fundamental gauss given hysteresis insulator inverse-square law iron length Lenz's Law lines of force loop m.k.s. system m.k.s. units m.m.f. gradient magnetic field magnetic flux magnetization curve Maxwell mean measured metre moving charge mutual force mutual inductance observer parallel permeability perpendicular physical plane plates pole positive charge practical units quantity radiated radius resistance result ring rotating solenoid sphere stationary steady current surface torque vector potential volts wire zero