Physics · Electrodynamics
A magnetic field is given by B = ∇ × A, where A is the magnetic vector potential. If A = (ax2 + by2) î, where a and b are non-zero constants, then the corresponding current density J is given by: (where μ0 is the permeability of free space)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-1μ0 (2b) î✓
- 2-1μ0 (2a) î
- 31μ0 (2a + 2b) î
- 4-1μ0 (2a + 2b) î
Correct answer
-1μ0 (2b) î
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