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Principles of Electricity and MagnetismUnits
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alternating current amperes anode applied armature armor autotransformer battery braid brushes cable capacitor capacity cathode cell cent charge circuit breakers closed commutator conductors connected construction contactor copper cotton covering d-c motors deﬁnite device diagram direct current discharge Electric electrolyte electrons employed ﬁeld ﬁnish ﬁrst ﬂow ﬂux full-load fuse grid heat induction motor installation insulation joint lamps load machine magnetic ﬁeld Manufacturing method mils mounting National Electrical Code neutral normal ohms operating coil overload panel board phase plate pole position power factor primary protection rated reactance rectiﬁer relay resistance resistor rheostat rotor rubber screw secondary short-circuited shown in Fig shunt single-phase solder speed splice standard starters starting current stranded sufﬁcient supply switch synchronous Table tape temperature three-phase three-wire thyratron tion torque transformer tube two-phase voltage drop voltmeter volts winding wire