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Two small balls having equal positive charge Q (coulomb) on each are suspended by two insulated string of equl length L meter, from a hook fixed to a stand. The whole set-up is taken in satellite into space where there is no gravity (state of weightlessness). Then the angle between the string and tension in the string is

A

`180^(@),(1)/(4piepsilon_(0)).(Q^(2))/((2L)^(2))`

B

`90^(@),(1)/(4piepsilon_(0)).(Q^(2))/(L^(2))`

C

`180^(@),(1)/(4piepsilon_(0)).(Q^(2))/(2L^(2))`

D

`180^(@),(1)/(4piepsilon_(0)).(QL)/(4L^(2))`

Text Solution

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The correct Answer is:
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