Electromagnetic Field Thoery - ECE Questions and Answers

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When two vectors are perpendicular, their

Dot product is zero

Cross product is zero

Both are zero

Both are not necessarily zero

Answer : Option A

Explanation :

Dot product of two perpendicular vectors is given by A.B = |a||b|cos 90, which is zero. Thus, dot product is zero and vectors are perpendicular.

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