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Transcribed Image Text:The resistance and the magnitude of the current depend on the path that the current takes. The drawing shows three situations in which the current takes different paths through a piece of material.
Each of the rectangular pieces is made from a material whose resistivity is p = 1.50 x 102 *m, and the unit of length in the drawing is Lo
battery. Find (a) the resistance and (b) the current in each case.
= 4 cm. Each piece of material is connected to a 3.00-V
ALO
2LO
Lo
4LO
210
Lo
Lo
ALO
(c)
(b)
(a)
(a)
Ra
Rp
Rc
%D
(b)
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