P27_058 - 58. (a) Since = RA/L = Rd2 /4L = (1.09 103 )(5.50...

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58. (a) Since ρ = RA/L = πRd 2 / 4 L = π (1 . 09 × 10 3 Ω)(5 . 50 × 10 3 m) 2 / [4(1 . 60 m)] = 1 . 62 × 10 8 · m, the material is silver. (b) The resistance of the round disk is R = ρ L A = 4 ρL
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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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