Introduction to Electrical Engineering |
Contents
INTRODUCTORY | 1 |
The beginnings | 2 |
Thermionic emission | 3 |
Copyright | |
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air gap alternating current ammeter ampere ampere-turns armature atoms battery Calculate capacitance capacitor carrying a current cathode cell coil conductor constant copper coulomb cross section cross-sectional area curve decrease defining equation deflection described in Problem determine diameter dielectric direct current electric field intensity electric flux density electromotive force emf's energy establish a flux ferromagnetic flow flux linking flux path free electrons frequency galvanometer heat hysteresis I₁ increase insulation internal resistance ions iron joules kilolines per sq Kirchhoff's voltage law laminations lamp length Lenz's law load magnetic circuit magnetic core magnetic field intensity magnetic lines material maximum measured metal meter MKS units molecules moving negative number of turns obtain ohms parallel permeability plates pole positive direction potential difference quantity of electricity R₁ resistor rotates self-inductance shown in Fig solution steel temperature terminals toroid torque velocity voltage drop voltmeter weber per sq winding wire zero