2. Solved Papers
  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    A coil having an inductance of 0.5 H carries a current which is uniformly varying from 0 to 10 A in 2 s. The emf (in volts) generated in the coil is

    A)  10                                         

    B)  5

    C)  2.5                                        

    D)  1.25

    Correct Answer: C

    Solution :

                     \[e=L\frac{\Delta I}{\Delta t}=0.5\times \frac{10}{2}=2.5\,V\]


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