Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 59
lts. What was the resistance of (X) ? 48 PEACTICAL APPLIED ELECTEICITY Solution.—Since the drop over the resistance (X) was twicethat over the standard, the resistance of (X) must be twicethat of the standard, or X = 2 X 10 = 20 Ans. 20 ohms.Substituting in equation (57) we have 10 X 10X=: = 20… … the resistance to be meas-ured and (V) is a directreading voltmeter. Whenthe voltmeter is con-nected as shown by thedotted line, the resistance(X) is not in series withit between the terminals(Ti) and (T2) and thevoltmeter indicates the., ^ .„,^ , . , „„ *^^^^ pressure between the two terminals.…
Electrical engineering
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