Draw temparature- resistivity graphs for an ohmic resistor, super conductor, metallic conductor and
Asked by | 27th Feb, 2008, 05:22: PM
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.
Answered by | 20th May, 2008, 09:51: AM
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