Physics · Magnetostatics
A long conducting cylinder having a radius 'b' is placed along the z-axis. The current density is J = J a r 3 ẑ for the region r < b where r is the distance in the radial direction. The magnetic field intensity (H) for the region inside the conductor (i.e., for r < b) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1J a r 3
- 2(J a / 5) r 4✓
- 3(J a / 3) r 3
- 4(J a / 4) r 4
Correct answer
(J a / 5) r 4
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