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# Figure 29-56a shows two wires, each carrying a current.

## Problem 28 Chapter 29

Fundamentals of Physics | 10th Edition

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Problem 28

Figure 29-56a shows two wires, each carrying a current. Wire 1 consists of a circular arc of radius R and two radial lengths; it carries current i1 ! 2.0 A in the direction indicated.Wire 2 is long and straight; it carries a current i2 that can be varied; and it is at distance R/2 from the center of the arc. The net magnetic field due to the two currents is measured at the center of curvature of the arc. Figure 29-56b is a plot of the component of in the direction perpendicular to the figure as a function of current i2. The horizontal scale is set by i2s ! 1.00 A. What is the angle subtended by the arc?

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October 11, 2016 Lecture 14: Coastal Currents and Processes - Quiz Review o Westerlies (blow west to east) 30-60 o Deserts are on the west sides of continents due to  Cold ocean currents nearby  EXAM: name and place the 10 gyres  Know Gulf Stream o Ocean Gyres are driven by winds o Which ocean grows the biggest...

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