A hollow cylinder has a charge q coulomb within it. If ϕ is the electric flux in units of volt meter associated with the curved surface B. the flux linked with the plane surface A in units of volt meter will be
A
q2ϵ0
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B
qϵ0−ϕ
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C
ϕ3
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D
12(qϵ0−ϕ)
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