Mathematics · Electromagnetic Fields
A long vertical cable carries a current of 1 A vertically upwards. Calculate the magnetic flux density (B) produced by it at a point located 10 cm due North in air. (Take μ0 = 4π × 10-7 H/m)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 μWb/m2 directed West to East
- 22 μWb/m2 directed East to West✓
- 30.02 μWb/m2 directed East to West
- 40.02 μWb/m2 directed West to East
Correct answer
2 μWb/m2 directed East to West
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