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Sources of Power Work and Power The Electrical Unit
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air gap ammeter ampere-turns ampere-turns per inch amperes armature armature current back pitch battery brushes cable capacitance cent charge circular mils coil edges computed condenser conductors connected copper wire core cross section current flows curve darafs deflection delivered diameter dielectric constant direction discharge electric circuit electric current electromotive force electrons electrostatic energy equal equation Example feet field coils field resistance filament flux density full load galvanometer heat horse power induced e.m.f. insulation iron kilowatts lamp line wires lines of force lines per square loop machine magnetic circuit magnetic field magnetic flux magnetic lines magnetomotive force measure metal number of lines Ohm's Law ohms ohms resistance pair of poles path positive pounds pressure Prob produce reluctance rheostat series field shown in Fig shunt motor speed square inch steel takes temperature terminal voltage torque tube turns voltage drop voltmeter volts per inch watts Wheatstone bridge winding