Gilley, Frank M · Boston, Allyn & Bacon · leaf 541
7.The wheels of the carson one side run on theedge of a brass strip.The current entersfrom the overhead wire, runs down the trolley to y, passesthrough the armature, and back to x. Then it goes aroundthe field magnet and enters the metal frame of the car, andthence, as shown by the dotted lines,… … Fig 498 616. Electric Power. — If a fan motor on a 110-volt circuituses .6 ampfere of current, the electrical energy is said to be110 X .6, or 66 volt-ampferes. This represents electrical ^cork^In honor of James Watt (section 277, page 252), volts xamperes are called watts. If a battery of cells…
Physics
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