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VIT Engineering VIT Engineering Solved Paper-2014

  • question_answer
    If \[\text{A=}\left[ _{\text{5}}^{\text{3}}_{\text{7}}^{\text{4}} \right],\] then A. (adj A) is equal to

    A) A                                            

    B) |A|

    C) A|. l                                      

    D)  None of these

    Correct Answer: C

    Solution :

    Given,           \[=2.35\times {{10}^{-2}}m\]                                        |A| = 21 ? 20 = 1 \[r=2.35m\]       \[L=\frac{{{\mu }_{r}}.{{\mu }_{0}}{{N}^{2}}A}{l}\]               \[=\frac{600\times 4\pi \times {{10}^{-7}}\times {{\left( 2000 \right)}^{2}}\times \left( 1.5 \right)\times {{10}^{-4}}}{0.3}\]


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