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Draw temparature- resistivity graphs for an ohmic resistor, super conductor, metallic conductor and

Asked by 27th February 2008, 5:22 PM
Answered by Expert
Answer:

Dear Student,

Kindly refer to page 104 of your Ncert text book part I. In an ohmic resistor the resistivity remains constant with temperature. So the graph will be a straight line parallel to the x axis.

In a metallic resistor like copper, with increase in temperature the resistivity increases.

In case of a super conductor at temperatures below a certain critical temperature the resistivity is zero, as temp increases, the resistivity increases.

Rgds

Topper Expert

Answered by Expert 20th May 2008, 9:51 AM
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