I\'m having a hard time understanding this problem if you can help me out step b

Question

I'm having a hard time understanding this problem if you can help me out step by step on how to solve it, not just with the math but understanding what's happening with the problem. Thank you
This question and the next two pertain to the following situation: A rectangular wire loop of height h and width w, centered on the origin, carries current I in the direction shown in the figure. The angle between the positivex-axis and the plane of the loop is 0, defined as shown in the figure below. When 0-0 the loop lies in the x-zplane.) This entire region of space is filled with a uniform extemal magnetic field B pointing in the +x direction. When 0-60°, the force on the leg of length h with the upward-going current is in the O(a) positivex direction. (b) negative r direction. (c) positive y direction. am O(d) negative y direction. B 14 T O(e) positive z direction QUESTION 11 The magnitude of the work, IW, involved in the rotation of the loop from 0-0° to 0- 60 is: o(a) IW 9.09 x 10 s J o(b) Iw1-2.37 x 10 J (c) IWM 4.25 x 10 J (d) IMM 5.87x10 J o(e) 8.13 x 10 J QUESTION 12 When the loop rotates from 6 to 60 the extemal magnetic field O(a) does no work on the loop. O(b) does positive work on the loop. O(c) does negative work on the loop QUESTION 13 Two long wires carry currents ll and Iz as shown in the figure. The first wire runs parallel to th x axis but is a distance d above the x- plane. The second wire lies along the y axis and passes through the origin. What is the direction of the torque on the wire carrying II due to the current I in the other wire? O(a) in the positive y direction O(b) in the positive zdirection O(c) in the negative y direction

Explanation / Answer

The answer to the Question No. 11 is option (a)

To find the magnitude of Work involved in rotation of loop from = 0° to = 60° is given below

W = w x h x I x B = .03 x .05 x 50 x 10 -3 x 1.4

W = 9.09 × 10-5 J

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