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# Two long straight thin wires with current lie against an

## Problem 30 Chapter 29

Fundamentals of Physics | 10th Edition

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Problem 30

Two long straight thin wires with current lie against an equally long plastic cylinder, at radius R ! 20.0 cm from the cylinders central axis. Figure 29-58a shows, in cross section, the cylinder and wire 1 but not wire 2.With wire 2 fixed in place, wire 1 is moved around the cylinder, from angle u1 ! 0 to angle u1 ! 180, through the first and second quadrants of the xy coordinate system. The net magnetic field at the center of the cylinder is measured as a function of u1. Figure 29-58b gives the x component Bx of that field as a function of u1 (the vertical scale is set by Bxs ! 6.0 mT), and Fig. 29-58c gives the y component By (the vertical scale is set by Bys ! 4.0 mT). (a) At what angle u2 is wire 2 located? What are the (b) size and (c) direction (into or out of the page) of the current in wire 1 and the (d) size and (e) direction of the current in wire 2?

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Class Notes 9/29/2016 International Monetary System Questions: 1. What is the International Monetary System 2. Why is it important 3. How does it differ from the international financial system 4. What are the two principle components of Balance of Payments 5. What are three policy instruments for righting imbalances in Balance of Payments 6. What are two basic...

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