NEET Physics Electro Magnetic Induction NEET PYQ-Electro Magnetic Induction

  • 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 \[4\times {{10}^{-3}}\,Wb\]. The self-inductance of the solenoid is               [NEET - 2016]

    A)  4 H     

    B)                   3 H

    C)  2 H                 

    D)       1 H

    Correct Answer: D

    Solution :

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


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