Mathematics · Electromagnetic Field Theory
A current distribution gives rise to the magnetic vector potential A = x2y âx + y2 ây (Wb/m). What is the magnetic flux density B at the point (x, y) = (2, 3)?
- 1-4 âz✓
- 2-2 ây
- 3-4 ây
- 4-2 âz
Correct answer
-4 âz
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