J & K CET Medical J & K - CET Medical Solved Paper-2013

  • question_answer
    An electron revolves in a circle at the rate of \[{{10}^{19}}\]rounds per second. The equivalent current is\[(e=1.6\times {{10}^{-19}}C)\]

    A)  1.0 A                

    B)  1.6 A

    C)  2.0 A                

    D)  2.6 A

    Correct Answer: B

    Solution :

     Current \[I=ef\] Given,\[e=1.6\times {{10}^{-19}}C\]and\[f={{10}^{19}}\] \[\therefore \] \[I=1.6A\]


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