1.

In a regular hexagon each corner is at a distance .r. from the centre. Identical charges of magnitude .Q. are placed at 5 corners. The field at the centre is (K = (1)/(4pi in_(0)))

Answer»

`KQ//R^(2)`
`(6KQ)/(r^(2))`
`(5KQ)/(r^(2))`
zero

Answer :A


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