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BCECE Engineering BCECE Engineering Solved Paper-2013

  • question_answer
    Figure represents an area \[A=0.5\,{{m}^{2}}\]situated in a uniform magnetic field \[B=2.0\,Wb/{{m}^{2}}\]and making an angle of \[60{}^\circ \] with respect to magnetic field. The value of magnetic flux through the area will be

    A) \[0.5\,Wb\]                      

    B) \[\sqrt{3}\,Wb\]                             

    C) \[\frac{3}{2}Wb\]                           

    D) \[2.0\,Wb\]

    Correct Answer: A

    Solution :

    As \[\phi \text{=}\,\text{B}\text{.A}\] \[\Rightarrow \]               \[\phi \text{=}\,\text{2}\times 0.5\times \cos {{60}^{o}}\]                 \[=2\times 0.5\times \frac{1}{2}=0.5\,Wb\]


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