The combined electrical resistance R of two resistors R, and R,, connected in parallel, is given by the equation below, where R, R,, and R, are measured in ohms. R, and R, are increasing at rates of 0.7 and 1.3 ohms per second, respectively. 1 1 R1 At what rate is R changing when R, = 41 ohms and R, = 79 ohms? (Round your answer to three decimal places.) ohm/sec

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 4PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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The combined electrical resistance R of two resistors R, and R,, connected in parallel, is given by the equation below, where R, R,, and R, are measured in ohms. R, and R, are increasing at
rates of 0.7 and 1.3 ohms per second, respectively.
1
1
+
R,
1
R2
At what rate is R changing when R, = 41 ohms and R, = 79 ohms? (Round your answer to three decimal places.)
ohm/sec
Transcribed Image Text:The combined electrical resistance R of two resistors R, and R,, connected in parallel, is given by the equation below, where R, R,, and R, are measured in ohms. R, and R, are increasing at rates of 0.7 and 1.3 ohms per second, respectively. 1 1 + R, 1 R2 At what rate is R changing when R, = 41 ohms and R, = 79 ohms? (Round your answer to three decimal places.) ohm/sec
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