Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 81
y be more readily understood from the simplified diagram fig. 578. 500 HAWKINS ELECTRICITY Ques. Describe the operation of the Queen Acme test-ing set figs. 576 and 577, in measuring resistance. Ans. Connect the terminals of the resistance to be measuredto the line posts C and D. Place the battery… … Fig. 578.—Simplified diagram showing connections of Queen Acme portable testing set. place the commutator plugs in the position PQ, or in the positionST. Then remove plugs from the rheostat until the value oftotal resistance employed, or nearly as may be guessed is equalto that of the unknown…
Electrical engineering
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