An infinite line charge produces a field...

An infinite line charge produces a field of `9xx10^(4) NC` at a distance of 2cm. Calculate the linear charge density.

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The magnitude of electric field intensity due to an infinite line charge is given below :
`E=lambda/(2piepsilon_0r) rArr 9xx10^4=2xx9xx10^9xxlambda/0.02`
`rArr lambda=10 muC//m`

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