Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 335
ifference ofpotential between these terminals a long mercury-vapor arc is formed,which stretches from terminal to terminal in the tube. This arc emitsa very brilliant light, but it is almost entirely wanting in red rays. Thestrength of its actinic rays makes it especially valuable in… … Fid. 297. The Cooper-Hewitt mercury-vaporarc lamp QUESTIONS AND PROBLEMS 1. What is meant by a 101-volt lamp? What would happen to sucha lami> if the IM). at its terminals amounted to .iOO volts? Trolley carsare usually f urni^ihed with current at about 500 volts; how would you use100-volt lamps…
Physics
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