Exercise 28.4O The figure shows, in cross section, several conductors that carry currents through the plane of the figure. The currents have the magnitudes I = 3.5 A. I-6,0 A, and I- 1.0 A, and the directions shown. Four paths, labeled a through d, are shown. (Figure 1) Part A What is the line integral fB dl for the path a? The integral involves going around the path in the counterclockwise direction. Express your answer using two significant figures. T-m Submit Request Answer Part B Figure 1 of 1 What is the line integral fB- dl for the path b? The integral involves going around the path in the counterclockwise direction. Express your answer using two significant figures. b. T-m 1,0 Submit Reguest Answer Part C

Exercise 28.4O The figure shows, in cross section, several conductors that carry currents through the plane of the figure. The currents have the magnitudes I = 3.5 A. I-6,0 A, and I- 1.0 A, and the directions shown. Four paths, labeled a through d, are shown. (Figure 1) Part A What is the line integral fB dl for the path a? The integral involves going around the path in the counterclockwise direction. Express your answer using two significant figures. T-m Submit Request Answer Part B Figure 1 of 1 What is the line integral fB- dl for the path b? The integral involves going around the path in the counterclockwise direction. Express your answer using two significant figures. b. T-m 1,0 Submit Reguest Answer Part C