1.

A potential field is given by ϕ = 2xy2 – 3y2z. If x̂, ŷ and ẑ are the unit vectors along x, y and z directions respectively, the field intensity at (0, 1, 0) is:

A. 0 V/m
B. 2x̂ - 3ẑ
C. -2x̂ + 3ẑ
D. -2x̂ - 3ẑ
Answer» D. -2x̂ - 3ẑ


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