P28_043 - i 1 R 1 = i 2 R s . The second equation gives i 2...

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43. Let i 1 be the current in R 1 and R 2 , and take it to be positive if it is toward point a in R 1 .L e t i 2 be the current in R s and R x , and take it to be positive if it is toward b in R s . The loop rule yields ( R 1 + R 2 ) i 1 ( R x + R s ) i 2 = 0. Since points a and
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Unformatted text preview: i 1 R 1 = i 2 R s . The second equation gives i 2 = i 1 R 1 /R s , which is substituted into the Frst equation to obtain ( R 1 + R 2 ) i 1 = ( R x + R s ) R 1 R s i 1 = R x = R 2 R s R 1 ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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