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Two insulated charged copper spheres A a...

Two insulated charged copper spheres A and B have their centres separated by a distance of 50 cm. The charge on each spheres is `6.5xx10^-7C`.The radii of A and B are negligible compared to their separation. If each sphere is charged double the above amount, and the distance between them is halved. Then, what is the ratio of force between spheres in two cases?

A

`1/2`

B

`1/4`

C

`1/8`

D

`1/16`

Text Solution

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The correct Answer is:
D
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