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The value of the line integral around the closed path in the figure (Figure 1) is 1.96×10^{-5} Tm . What is the magnitude of *I*_{3}?

The method of evaluating the line integral is to first understand it in the terms of a single variable. This way we can turn it into an ordinary absolute integral. In both instances we’ll be able to connect the curve directly to the integral line.

## 1 Answer