P28_013.PDF

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Chapter 28 - 28.13
13. Let the emf be V .Then V = iR = i ( R + R ), where i =5 . 0A, i =4 . 0Aand R =2 . 0Ω.Wesolvefor
R :
i R
i
= (4)(2)
5
R =
i
4 =8 . 0Ω .
 
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