Question
What current is needed in the top wire in Figure 22.58(a) to produce a field of zero at the point equidistant from the wires, if the currents in the bottom two wires are both 10.0 A into the page?
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$10.0 \textrm{ A}$ into the page.

Solution Video

OpenStax College Physics Solution, Chapter 22, Problem 71 (Problems & Exercises) (4:42)

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