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Q.

A regular hexagon of side 10cm has a charge $5 n C$ at each of its vertices. The potential at the centre of the hexagon is

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a

270 V

b

27 V

c

Zero

d

2700 V

answer is C.

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Detailed Solution

$V = 6 \times \frac{1}{4 π ε_{o}} (\frac{q}{r})$

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