7. For the vector field K = x²yi + xz³ j – y²z²k, evaluate a. curl K b. grad div K
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A: Given; F = 2xz-3y2zx2 + y2i^+2yz +3xyzx2+y2j^ -4xk^∇×F=ijk∂∂x∂∂y∂∂z2xz-3y2zx2 + y22yz…
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Q: d b 1. Find the flux for each of the closed surfaces a, b, c and d. ja 46
A: According to the Gauss's theorem, the total electric flux is given by ϕ =qeclosedεo
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