Sayan posted an Question
September 21, 2020 • 23:36 pm 30 points
  • IIT JAM
  • Physics (PH)

28. let c denote the boundary of the semi-circular disk (d) 1 30. fo d{%, y)er: x+y<1,y<0} and let ox,y) = y for (x, y) ed. if n is the outward unit normal to c

28. Let C denote the boundary of the semi-circular disk (d) 1 30. Fo D{%, y)ER: x+y<1,y<0} and let ox,y) = y for (x, y) ED. If n is the outward unit normal to C, then the integral (Vo) hds, evaluated countet C clockwise over C, is equal to (6) T-2 (a) 0 (c) T (d)T +2

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    Ruby negi Best Answer

    disc is in xy plane so area vector is in z direction... that's why n cap is z.. and the dot product of del phi with n cap gives zero.

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    ok thank you madam 😊

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