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 93
d to the batterypost are to protect the battery and the apparatus from excessive current. The 9,000 ohmsmay be short circuited by the switch W. uia 512 HAWKINS ELECTRICITY rheostat. This operation will balance the difference of pressureat the terminals of the shunt resistance against the… … Swt tch-Sethnq I V.I ^ \^ \J •~J\ I V ^ Res. Fig. 5S9—Resistance measurement ■nith Leeds and Northrup fault finder. The diagram showsthe proper connections and switch settings for measuring conductor resistance. As inthe ordinary shde wire bridge, the resistance X between the two posts 1 and 2…
Electrical engineering
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