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Ampere's law

  1. Oct 13, 2006 #1
    Figure 29-61 shows two closed paths wrapped around two conducting loops carrying currents i1 = 15 A and i2 = 3.0 A.
    (a) What is the value of the integral Bds for path 1?
    (b) What is the value of this integral for path 2?

    I got a, it would = i2-i1(u0)= -12(4pi e-7) =-1.51e-5
    I don't understand what i_enc would be for b.
  2. jcsd
  3. Oct 13, 2006 #2
    I've tried adding and subtracting i1*u0 to the previous answer and I've also tried i2(u0) but none of those have worked
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