Question: Question ( 1 5 points ) There is a gold wedding ring as shown below in ( a ) . An engineer measured its resistivity

Question (15 points)
There is a gold wedding ring as shown below in (a). An engineer measured its resistivity with temperature changing from 330 K to 100 K . Then he changed the wedding ring into straight bar as shown in (b), and measured the resistivity from 330 K to 100 K again.
(A) Please plot these two curves of -T in the same picture together.
(B) Please explain your idea.
Question ( 1 5 points ) There is a gold wedding

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