One end of a metal rod of length $1.0 m$ and area of cross section $100c{m^2}$ is maintained at ${100^o}C.$If the other end of the rod is maintained at ${0^o}C$, the quantity of heat transmitted through the rod per minute is (Coefficient of thermal conductivity of material of rod =$100W/m-K$)

  • A

    $3 \times {10^3}J$

  • B

    $6 \times {10^3}J$

  • C

    $9 \times {10^3}J$

  • D

    $12 \times {10^3}J$

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