## The fundamentals of electro-magnetism |

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### Contents

Chapter I | 1 |

Conditions at the boundary of two dielectrics | 25 |

The effect of the dielectric constant K on capacitance | 33 |

Copyright | |

47 other sections not shown

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### Common terms and phrases

air-gap ampere ampere-turns armature atoms axis calculated capacitance capacitor carrying current centre changing charge q circuital law coefficient coil component concept conduction current conductor Consider coulomb current element current flows cylinder definition density dielectric constant direction displacement current distance e.m.f. induced electric and magnetic electric charges electric current electric field electro-static field electrons energy stored equal equation experiment field intensity flux linking flux-cutting flux-density free space fundamental gauss given hysteresis induced e.m.f. insulator inverse-square law 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 magnitude Maxwell mean measured metre motion moving charge moving with velocity mutual inductance negative charges observer perpendicular physical plane plates pole positive charge Poynting's Theorem quantity radius relative resistance result rotating solenoid sphere stationary steady current surface theory torque vector potential volts weber wire zero