2. Solved Papers
  3. CMC Medical

CMC Medical CMC-Medical VELLORE Solved Paper-2010

  • question_answer
    When current in a coil changes to 2 A from 8 A in \[3\times {{10}^{-3}}s,\] the emf induced in the coil 2 V. The self inductance of the coil in mH is

    A)  1           

    B)  5

    C)  20                                         

    D)  10

    E)  None of these

    Correct Answer: A

    Solution :

                                     Induced emf \[e=L\frac{di}{dt}\] \[2=L\times \frac{6}{3\times {{10}^{-3}}}\] \[L=1\,mH\]


You need to login to perform this action.
You will be redirected in 3 sec spinner