Question

Two ends of rods of length L and
radius r of the same material are kept
at the same temperature. Which of the following rods conducts most heat in a given time interval​

Answer 1

1$<marquee>A force F when acts on a body, displaces it by a distance d in a direction at an angle  with the direction of force. Write an expression for the work done by the force</marquee>$

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