Figure 29-26 shows cross sections ---O-- of two long
Chapter , Problem 4(choose chapter or problem)
Figure 29-26 shows cross sections ---O-- of two long straight wires; the left- P i] i2 hand wire carries current ij directly Fig. 29-26 Question 4. out of the page. If the net magnetic field due to the two currents is to be zero at point P, (a) should the direction of current i2 in the right-hand wire be directly into or out of the page and (b) should i2 be greater than, less than, or equal to ij 7
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