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THE UNBRANCHED DIRECTCURRENT
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active power alternating current alternating-current amplidyne amplifier angle anode anode current armature brushes capacitance capacitor cathode characteristic circuit circuit-breaker coil commutator component conductors connected constant core corresponding cross-section curve determined devices diode direct current direct-current effective value elec electric electromagnetic electrons emf's energy equal equation equivalent exciting winding expressed formula frequency fuse grid heat hence increase induction motor instrument insulation line voltage load loop loop currents magnetic field magnetic flux magnetizing force mains maximum measuring mechanical ment meter moving element nected obtain Ohm's law operation oscillations p-n junction parallel phase phototube pole power source produced proportional quantity rated ratio reactance reactive rectifier relative rent resistance rheostat rotating rotor secondary winding short-circuit shunt sinusoidal speed stator stator winding steel synchronous machine temperature three-phase thyratron tion tive torque trans transformer triode valve vector diagram voltage drop voltage loss wattmeter wire zero