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A point charge is placed at the common c...

A point charge is placed at the common centre of two concentric spheres . What is the ratio of electric flux associated with the surfaces , if `r_(2) = 3 r_(1)` ?

Text Solution

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The flux through sphere of radius `r_(1) = phi_(1) = (q)/(epsi_(0))`
The flux through sphere of radius `r_(2) = phi_(2) = (q)/(epsi_(0))`
`therefore " " phi_(1) : phi_(2) = 1 : 1`
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