V-I graph for two conductors A and
B is shown Which of
the two conductors will have more
resistance
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Answer:
From the graph, slope of wire A is greater slope =
dx
dy
=VIR=VI= slope
Hence wire A has greater resistance. The heat produced by resistor is given by P=I
2
.RT. It is directly proportional to square of current paring through it resistance and time for which the current passes through the conductor. Hence A wire is made of a material of high resistivity.
Explanation:
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