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given a 60uC point charge located at the origin, find the total electric flux passing through: a) that portion of the sphere r=26 cm bounded by 0

Verified Answer :

my first part it like that as we all know that flux density is the charge per unt area here charge is 60uc so divide 60uc by (4pir2) we get D= 7.0610^-5 c/m2

NOW given is portion with r=26cm theta= 0 to pi/2 and phi = 0 to pi/2
calculate required region area with formula =double integral(r^2sintheta dtheta dphi)
we get =.106m^2 now multiply DRequired region we get 7.5uc

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