The current $(I)$ and voltage $(V)$ graphs for a given metallic wire at two different temperatures $T_1$ and $T_2$ are shown in the figure. It is concluded that

  • A
    $T_1 > T_2$
  • B
    $T_1 = T_2$
  • C
    $T_1 < T_2$
  • D
    $T_1 = 2T_2$

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