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NEET Sample Paper NEET Sample Test Paper-11

  • question_answer
    The wing span of an aeroplane is 20 metre. It is flying in a field, where the vertical component of magnetic field of earth is\[5\times {{10}^{-5}}\]tesla, with velocity 360 km/h. The potential difference produced between the blades will be

    A)  0.10 V                         

    B)  0.15V

    C)  0.20V                          

    D)  0.30V

    Correct Answer: A

    Solution :

     \[e=Bvl=5\times {{10}^{-5}}\times \frac{360\times 1000}{3600}\times 20=0.1\,V\]


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