Practice Problems 25, Chapter 27, Problem 19 z A total resistance of 3.07 2 is t

Question

Practice Problems 25, Chapter 27, Problem 19 z A total resistance of 3.07 2 is to be produced by connecting an unknown resistance to a 12.25 2 resistance (a) What must be the value of the unknown resistance, and (b) should it be connected in series (type "1") or n parallel (type "0")? agnaater 25 Problem 15 (a) Number (bl Click if you would like to show work for this question: open Show work By accessing this Question Assistance, you wil learn while you earn points based on the Point Potential Policy set by your instructor Question Attempts Unlimited 2000-2017 by John Wiley Sons, Inc. or related companies. Al rights reserved. Review ResAMts by Study

Explanation / Answer

1/r1+1/r2 = 1/r

1/r1 = 1/r-1/r2

r1 = r2*r/r2-r

r1 = 12.25*3.07/9.18

r1 = 4.09 ohm

it is parallel

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