Exercise 28.11 A long, straight wire lies along the z-axis and carries a 4.10 A

Question

Exercise 28.11 A long, straight wire lies along the z-axis and carries a 4.10 A current in the +z- direction Find the magnetic field (magnitude and direction) produced at the following points by a 0.600 mm segment of the wire centered at the origin. Part B z=0,y=2.00 m, z = 0 Enter your answers numerically separated by commas. B, By, B,6.15 10 100 T Submit My Answers Give Up Correct Part C z=2.00 m, y = 2.00 m, z =0 Enter your answers numerically separated by commas. 0 B,, By, B,6.15 10 ,6.15 101,0 T Submit My Answers Give Up Incorrect: Try Again; 3 attempts remaining

Explanation / Answer

part c) r = 2 i + 2 j

r = sqrt [22 + 22] = 2.83 m

dB = (4 pi * 10-7 / 4 pi) / (4.10 * 0.6 * 10-3 k * (2 i + 2 j) / 2.833)

= (2.17 * 10-11) j + (2.17 * 10-11) (-i)

Bx, By, Bz = (-2.17 * 10-11 T, 2.17 * 10-11 T, 0)

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