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Given: vec p = - hati -3 hatj + 2hatk an...

Given: `vec p = - hati -3 hatj + 2hatk` and `vec r = hati + 3 hatj + 5hatk`. Find vector parallel to electric field at position `vec r`. [ Note that `vec p . vec r = 0`]

A

hati +3 hatj - 2hatk

B

3hati + hatj + 2hatk

C

-3hati - hatj - 2hatk

D

- hati +3 hatj + 2hatk

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The correct Answer is:
A

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