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Household physics (1919)

Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 203

An illustration from Household physics, 1919, leaf 203
p whenall appliances are off; andif it does not, have it re-ported, as you are payingfor electricity not used.Be sure that you can readyour meter, and then checkyour light bills. 226. The Starting-box.—The resistance of a motor is very small, usually not over \ ohm. If it were attached directly to… … Figure 195. — An AlternatingCurrent Watt-hour Meter. ^Mh = 220 amperes, which would

Physics

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