mult - Vector Calculus Multiple Choice Theory Questions 1 Which vector field has a positive flux through the surface below 2 3 A B C D 2 Moving from the

Vector Calculus Multiple Choice Theory Questions 1 Which vector field has a positive flux through the surface below? 2 3 A B C D 2 Moving from the picture on the left to the picture on the right, what are the signs of ? A positive, positive, negative B zero, positive, negative C positive, negative, zero D zero, negative, positive

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3 Let This vector field produces the largest flux through which of the following surfaces? A S1, a sphere of radius 2 centered at the origin B S2, a cube of side 2 centered at the origin, with sides parallel to the axes C S3, a sphere of radius 1 centered at the origin D S4, a pyramid contained inside S3 4 The pictures below show top views of three vector fields, all of which have no z component. Which one has the curl pointing in the positive direction at the origin? A the one on the left B the one in the middle C the one on the right D none of them