P24_016 - q = q A A = q D h Dh = (3 . 2 10 7 C) (8 . 0...

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16. (a) The side surface area A for the drum of diameter D and length h is given by A = πDh .Thu s q = σA = σπDh = πε 0 EDh = π µ 8 . 85 × 10 12 C 2 N · m 2 ( 2 . 3 × 10 5 N / C ) (0 . 12 m)(0 . 42 m) =3 . 2 × 10 7 C . (b) The new charge is
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Unformatted text preview: q = q A A = q D h Dh = (3 . 2 10 7 C) (8 . 0 cm)(28 cm) (12 cm)(42 cm) = 1 . 4 10 7 C ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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