The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is

Electronics and Communication Engineering (ECE) : Electromagnetic Field Theory - Quiz(MCQ)

(-i â€“ j)/1.414

(-i â€“ k)/1.414

(-j â€“ k)/1.414

(-i â€“ j â€“ k)/1.414

Correct Answer : Option (C) : (-j â€“ k)/1.414

Explanation : The cross product of p1, p2, p3 is a X b = -j – k and its magnitude is 1.414. The unit normal vector is given by, (-j –
k)/1.414.

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