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12th Class Physics Electro Magnetic Induction Question Bank MCQ - Electromagnetic Induction

  • question_answer
    In a circuit with a coil of resistance 2 ohms, the magnetic flux changes from 2.0 Wb to 10.0 Wb in 0.2 second. The charge that flows in the coil during this time is:

    A) 5.0 coulomb                  

    B) 4.0 coulomb

    C) 1.0 coulomb                  

    D) 0.8 coulomb

    Correct Answer: B

    Solution :

    (b) 4.0 coulomb                         \[\Delta Q=\frac{\Delta \,\phi }{R}=\frac{(10-2)}{2}=4\,C\]


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