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# Figure 29-45 shows two current segments. The lower segment

ISBN: 9781118230718 79

## Solution for problem 15 Chapter 29

Fundamentals of Physics | 10th Edition

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Problem 15

Figure 29-45 shows two current segments. The lower segment carries a current of i1 ! 0.40 A and includes a semicircular arc with radius 5.0 cm, angle 180, and center point P. The upper segment carries current i2 ! 2i1 and includes a circular arc with radius 4.0 cm, angle 120, and the same center point P. What are the (a) magnitude and (b) direction of the net magnetic field at P for the indicated current directions? What are the (c) magnitude and (d) direction of if i1 B is reversed?

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Dudaie 1 Physics II­ Chapter 21 Chapter 21­ Electric Current & Direct­Current Circuits 1. Electric Current a. The flow of electric charge from one place to another is known as electric current i. I=∆Q/∆ t 1. 1 A= 1C/s} ampere or amp b. Often charge is carried by electrons...

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Figure 29-45 shows two current segments. The lower segment

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