The drawing shows a cube. The dash lines in the drawing areperpendicular to the

Question

The drawing shows a cube. The dash lines in the drawing areperpendicular to the faces 1,2, and 3 of the cube. Magnetic fieldsare oriented with respect to these faces as shown, and each of thethree fields B1, B2, and B3 has the same magnitude. Note that B2 isparallel to face 2 of the cube. Find the magnetic fluxes that passthrough the faces 1,2,and 3 of the cube. On face 1, B1 and the dotted line makes a 20 degreeangle. On face 2, B2 and the dotted line makes a 90 degreeangle. On face 3, B3 and the dotted line makes a 70 degreeangle.

Explanation / Answer

magnetic flux =B*S*cos. -------------------- face 1. =B1*S*cos20. face 2 =0. face 3. =B3*S*cos70

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