NEET Sample Paper NEET Sample Test Paper-27

  • question_answer
    Electric field at the centroid of triangle carrying q charge at each corner will be:

    A)  \[\sqrt{2kq}\]            

    B)  \[\frac{1}{2}.\frac{\sqrt{kq}}{{{r}^{2}}}\]

    C)  \[\frac{4kq}{{{r}^{2}}}\]              

    D)  zero

    Correct Answer: D

    Solution :

    The resultant of three forces on unit charge a the centroid of triangle would be zero. Hence, electric field will also zero.

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