Monday Homework Problem 8.6 When you shorted a \"D\"- cell battery in lab, a cur

Question

Monday Homework Problem 8.6 When you shorted a "D"- cell battery in lab, a current of 5A was generated rom the wire, on average. Treating the test lead as an infinite ght wire, compute the magnetic field the current produces at you. Select One of the Following: (a) 2 x 10-T (b) 1 × 10-5T (c) 5 × 10-6T (d) 2.5 x 10-6T (e) 1 x 10-6T Monday Homework Problem 8.7 Two infinite straight wires carry current I 2A as shown be- low. One wire is parallel to the y axis and one wire is parallel to the z axis. The current directions are as drawn. The distance from each wire to point P is 3cm. Calculate the magnetic field at point P. Be sure to report the magnetic field as a vector. Wire 2 Select One of the Following: Wire (a) 2.4 x 10-5T9 + 2.4 x 10-5Ti b) 1.3 × 10-5T2-1.3 × 10-5T9 c) 2.4 x 10-5Ti-24x 10-5Ta 1.3 × 10-5Ty_ 1.3 x 10-5T2 e) O

Explanation / Answer

8.6 : I = 5 A

B = u0 I / (2 pi r)

B = (4 pi x 10^-7)(5) / (2 pi 0.20)

B = 5 x 10^-6 T ......Ans(C)

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