In Figure P19.21, the cube is 40.0 cm on each edge. Four straight segments of wi

Question

In Figure P19.21, the cube is 40.0 cm on each edge. Four straight segments of wire - ab, bc, cd, and da form a closed loop that carries a current of I4.90 A in the direction shown A uniform magnetic field of magnitude B = 0.0200 T is in the positive y-direction. Determine the magnitude and direction of the magnetic force on each segment. (Please give the magnitudes to three decimal places.) Figure P19.21 Segment F(N) Direction zero force ab negativex bc 0.0392 negativez cd 0.0392 0.0784 Your response differs from parallel to x-z plane at 45 to both tx and +z directions da the correct answer by more than 10%. Double check your calculations. N

Explanation / Answer

Fda = i * 2 L * B sin 90 = 4.90 * 2 (0.4) * 0.02 = 0.0554 N

along the direction (x+z) / 2

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