## The electromagnetic field in its engineering aspects |

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### Contents

Introduction | 1 |

The electric field of charges in free space | 5 |

Conductors insulators and capacitance | 29 |

Copyright | |

15 other sections not shown

### Common terms and phrases

air-gap ampere ampere-turns associated axial axis cable calculate capacitance capacitor centre charge q coil component conductor Consider constant permeability coulomb cross-section current density current loop curve cylinder deduced defined dielectric dipole direction displacement current distance ductors effect electric and magnetic electric field electric flux electric force electromagnetic electromagnetic induction electrons electrostatic element equal equation equipotential example expression flux density flux-linkage formula free space frequency given induced e.m.f. iron leakage flux lines of force linked magnetic circuit law magnetic field magnetic flux magnetic potential magnetizing force magnitude material measured metre moving mutual inductance observer obtained parallel path permeance permittivity perpendicular plane plates pole positive potential difference Poynting vector problem quantities radial radius relative resistance right angles right-handed rotation scalar Section self-inductance shown solenoid surface theory torque tube uniform unit length varies vector potential velocity voltage wave winding wire zero