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1. |
In simple radial distribution, if \(σ_r=K \frac{Q cosθ}{r},\) then the value of K is ________ |
A. | K=\(\frac{2}{2α+sin2α}\) |
B. | K=2α+sinα |
C. | K=2α-sinα |
D. | K=sinα |
Answer» B. K=2α+sinα | |