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Electricity and Magnetism: Lessons of the National School of Electricity
National School Of Electricity
No preview available - 2012
acid alternating current amount ampere amperemeters anode arc lamps arc light armature arranged attraction battery bell brass cable called candle-power capacity carbon cathode caused cell charged body chemical action circuit conductor connected in parallel connected in series continuous current copper current flows deflection depends deposited direction dynamo elec electric current electric light electric motors electrical pressure electrodynamometer electrolytic electromagnet equal galvanometer glass ground heat horse-power incandescent lamps induced instruments insulation lines of force machines magnetic effect magnetic field magnetic needle material means measured metal move National School negative north pole Ohm's Law ohms operation ordinarily passed pipe placed plates Points for Review primary coil relay resistance REVIEW OF LESSON School of Electricity self-induction shown in Fig shows shunt silver square station steel switch switchboard telegraph telephone temperature terminal tion transmitter usually voltmeter volts wattmeter welding Wheatstone bridge windings wire wound zinc