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Unformatted text preview: Physics 241 Quiz 8b February 7, 2008 If the two cylinders are made of the same material and resistance is measured top to bottom, what is the ratio of the resistances RA/RB ? A
r L 2L B
2r a) 1/4 b) 1/2 c) 1 d) 2 L RA = 2 r 2L RB = e) 4 ( 2r )
1 L = 2 2 r 2 ...
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This note was uploaded on 07/29/2008 for the course PHYS 241 taught by Professor Wei during the Spring '08 term at Purdue University.
- Spring '08