*22 O Figure 29-50a shows, in cross section, two long, parallel wires carrying current and separated by distance L. The ratio ili, of their currents is 4.00; the directions of the currents are not indi- cated. Figure 29-50b shows the y component B, of their net mag- netic field along the x axis to the right of wire 2. The vertical scale is set by B = 4.0 nT, and the horizontal scale is set by x, = 20.0 cm. (a) At what value of x >0 is B, maximum? (b) If i, = 3 mA, what is the value of that maximum? What is the direction (into or out of the page) of (c) ij and (d) iz? 2. --B. x (ст) (a) (b)
*22 O Figure 29-50a shows, in cross section, two long, parallel wires carrying current and separated by distance L. The ratio ili, of their currents is 4.00; the directions of the currents are not indi- cated. Figure 29-50b shows the y component B, of their net mag- netic field along the x axis to the right of wire 2. The vertical scale is set by B = 4.0 nT, and the horizontal scale is set by x, = 20.0 cm. (a) At what value of x >0 is B, maximum? (b) If i, = 3 mA, what is the value of that maximum? What is the direction (into or out of the page) of (c) ij and (d) iz? 2. --B. x (ст) (a) (b)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.2P
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