Physics · Electromagnetism
The vector potential A due to a magnetic moment m at a point r is given by A = m × rr3. If m is directed along the positive z-axis, the x-component of the magnetic field B at the point r is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13m(z 2 - xy) r 5
- 23mxz r 5✓
- 3- 3myz r 5
- 43myz r 5
Correct answer
3mxz r 5
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