Word: volts
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...commonly transmitted in this way with an efficiency of 74 per cent. of the power applied. Since the current always equals the pressure divided by the resistance and a man's resistance is about 2000 ohms, he cannot take more than a quarter an ampere from the 500 volt current of the street railway, whereas 10 amperes are necessary to kill. Interesting and convincing statistics were cited to prove the number of deaths from electricity almost nothing compared with those from all other violent causes. Figures also show the marvel louse increase of electrical railways and the small danger...