## Elements of electricity |

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### Contents

Ohms Law | 1 |

Electrical Power and Energy | 40 |

Concerning Wire | 64 |

Copyright | |

22 other sections not shown

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### Common terms and phrases

air gap alternating current ammeter ampere-turns ampere-turns per inch amperes angle armature armature current average battery brushes cable capacitive reactance cathode cell centimeter charge circular mils combination condenser conductor copper wire core cross-section current flows cycle deliver dielectric constant direction electric current electrolyte electromotive force electrons energy equal equation Example farad field coils field current field resistance filament flux density full-load galvanometer heat horsepower induced emf inductive reactance instantaneous value insulation internal resistance internal voltage iron kilowatts lagging lamp lines of force lines per square load loop machine magnetic circuit magnetic field magnetic flux magnetic lines magnetomotive force maximum value measured meter Ohm's Law ohms parallel permeability phase plate current positive power factor pressure Prob produce resistor series field shown in Fig shunt motor Solution speed square inch steel supply temperature terminal voltage torque triode tube turns vector diagram voltage drop voltmeter volts watts Wheatstone bridge zero