The voltage $V$ and current $I$ graph for a conductor at two different temperatures ${T_1}$ and ${T_2}$ are shown in the figure. The relation between ${T_1}$ and ${T_2}$ is
  • A${T_1} > {T_2}$
  • B${T_1} \approx {T_2}$
  • C${T_1} = {T_2}$
  • D${T_1} < {T_2}$
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