JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2004

  • question_answer
        The output voltage of a transformer connected to 220 volt line is 1100 volt at 2 ampere current. Its efficiency is 100%. The current coming from the line is :

    A)  20 A                                     

    B)  10 A

    C)  11 A                                     

    D)  22 A

    Correct Answer: B

    Solution :

                    Here :  \[\text{1}.0\text{5}\times \text{1}{{0}^{-\text{6}}}\text{ s}\] \[7\times \text{1}{{0}^{-7}}\text{ s}\] \[3.5\times {{10}^{-7}}s\] From the relation \[\text{2}.\text{6}\times \text{1}{{0}^{-\text{4}}}\] \[\text{2}.\text{6}\times \text{1}{{0}^{-\text{4}}}\]


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