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ELECTRIC BATTIR IESlHE MAGIC Box
DISTINCTION OF ALTERNATING AND DIRECT
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action alternating current alternating-current amperes anode armature atom battery becomes brushes called carbon causes cell chapter charge chemical condenser conductors connected copper current ﬂow deﬁnite device direct current direct-current dynamo effect elec electric current electrical degrees electrical energy electriﬁcation electrolyte electromagnet electromotive force electrons employed engine external circuit ﬁlament ﬁnd ﬁrst ﬁve ﬂuid heat horsepower increased induction motor inﬂuence insulation iron kilowatt lamp light lines of force load machine magnetic ﬁeld maximum means mercury metal negative north pole ohms operation particles phase placed plant plate positive potential power factor power house pressure produce pump rate of ﬂow reactance resistance result reverse revolving right-hand rule rotary converter sal ammoniac shown in Figure shunt single-phase south pole speed stator steam steel supply switch terminal thereby three-phase tion torque transformers transmission tricity tube two-phase unit voltage volts watts waves wire zero zinc