If c/d is in inverse ratio to a/b, then a/b = d/c (see Exercises 29 and 30).
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If c/d is in inverse ratio to a/b, then a/b = d/c (see Exercises 29 and 30). The current i (in A) in an electric circuit is in inverse ratio to the resistance R (inΩ). If i = 0.25 mA when R = 2.8Ω, what is i when R = 7.2 Ω?
Data from Exercises 29
In an electric instrument called a “Wheatstone bridge,” electric resistances are related by
R1= 6.00 Ω
R3 = 62.5 Ω, and
R4 = 15.0 Ω.
See Fig. 18.4.
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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