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NEET NEET SOLVED PAPER 2016 Phase-I

  • question_answer
    A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is \[4\times {{10}^{-3}}\,\text{Wb}\text{.}\] The self-inductance of the solenoid is :-                    

    A)  4H                                         

    B)  3H

    C)  2H                                         

    D)   1H

    Correct Answer: D

    Solution :

                     Flux linked with each turn \[=4\times {{10}^{-3}}\text{Wb}\] \[\therefore \] Total flux linked \[=1000[4\times {{10}^{-3}}]Wb\] \[\text{o}|{{\,}_{ttotal}}\,=4\Rightarrow Li=4\Rightarrow L=1H\]


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