A long metallic bar is carrying heat from one of its ends to the other end under steady-state. The variation of temperature $\theta$ along the length $x$ of the bar from its hot end is best described by which of the following figures?

  • [AIEEE 2009]
  • A
    86-a191
  • B
    86-b191
  • C
    86-c191
  • D
    86-d191

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