Six identical conducting rods are joined as shown in figure. Points $A$ and $D$ are maintained at temperatures $200\,^oC$ and $20\,^oC$, respectively. the temperature of junction $B$ will be......... $^oC$

824-177

  • A

    $120$

  • B

    $100$

  • C

    $140$

  • D

    $80$

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