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A capacitor is made of two concentric spherical shells A and B of radii a and b respectively. Where a lt b. The external shell B is grounded (V_(B) = 0) Inner shel i.e (r le a ) is filled with a uniform positive charge of density rho. Variation of electric field versus distance from the centre. |
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Answer»
Where Q is total CHARGE INSIDE A and `Q^(1)` is charge on shell B therefore field outside B will be zero and electric field inside A will be `E = (KQ)/(a^(3))r` (linearly INCREASE ) between spherical shell A and B `E = KQ//r^(2)` |
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