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dk321
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Homework Statement
A small sphere of mass m carries a charge of q. It hangs from a silk thread which makes an angle
θ with a large charged non-conducting sheet. Calculate the surface charge density on the sheet.
Homework Equations
∫E.ds
The Attempt at a Solution
I found E of the sheet to be E = σA/ε
how do i find find σ, surface charge density for this problem what is the relationship between E of the sphere and E of the sheet?