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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    An aeroplane having a wing space of 35 m flies due north with the speed of 90 m/s given \[B\,4\times {{10}^{-5}}\]tesla. The potential difference between the tips of the wings will be:

    A)  0.013V                                

    B)  1.26V

    C)  12.6V                   

    D)         0.126V

    Correct Answer: D

    Solution :

    Here: Length\[l=35\,m\] Speed of the aeroplane \[\upsilon =90\,m/s\] The induced emf is given by \[=B\upsilon l=4\times {{10}^{-5}}\times 90\times 35\] \[=0.126\,V\]


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