Question

Three charges 2 q, – q and – q are located at the vertices of
an equilateral triangle. At the centre of the triangle
(a) the field is zero but potential is non-zero
(b) the field is non-zero, but potential is zero
(c) both field and potential are zero
(d) both field and potential are non-zero

Answer 1

Answer:

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Answer 2

Answer:

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