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BVP Medical BVP Medical Solved Paper-2002

  • question_answer
    A body of mass 300 kg is moved up by an elevator from a mine of depth 20 m to a height of 20 m in 1 min. The power of the elevator is :

    A)  19.6 kW                              

    B)  196 kW

    C)  0.196 kW                            

    D)  1.96 kW

    Correct Answer: D

    Solution :

                    Power of elevator \[=\frac{mgh}{t}\] \[=\frac{300\times 9.8\times (20+20)}{1\times 60}\] \[=5\times 9.8\times 40\] \[=19.6\times 100=1.96kW\]


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