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Please solve this problem in the picture urgently...let, radius of the sphere is R
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Asked by miaowmira1900 | 03 Sep, 2019, 12:10: AM
answered-by-expert Expert Answer
Current density  = charge density × velocity  = σ × ω R sinθ
 
As seen from figure current is in the direction of Φ ,  hence  J = σωR sinθ begin mathsize 12px style ϕ with hat on top space end style
Answered by Thiyagarajan K | 03 Sep, 2019, 01:24: PM

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