12th Class Physics Electro Magnetic Induction Question Bank Case Based (MCQs) - Electromagnetic Induction

  • question_answer
    Direction: Q.11 to Q.15
    The emf induced across the ends of a conductor
    due to its motion in a magnetic field is called motional emf. It is produced due to the magnetic
    Lorentz force acting on the free electrons of the conductor. For a circuit shown in figure, if a conductor of length l moves with velocity v in a magnetic field B perpendicular to both its length and the direction of the magnetic field, then all the induced parameters are possible in the circuit.
    Read the above passage carefully and give the answer of the following questions:
    Direction of current induced in a wire moving in a magnetic field is found using:

    A) Fleming's left hand rule

    B) Fleming's right hand rule

    C) Ampere's rule

    D) Right hand clasp rule

    Correct Answer: B

    Solution :

    (b) Fleming's right hand rule Direction of current induced in a wire moving in a magnetic field is found by using Fleming's right hand rule.


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