Question

Figures below show regular hexagon, the charges are placed at the vertices. In which of the following cases the elect
field at the centre is zero.
59 49
9
9
29
29
29
29
69
.
39
K
.
)
q
29
99
29
29
29
9
IV
(A)
IV
(B)
III
(C) 1
(D)
II​

Answer 1

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Explanation: