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

  • question_answer
    Lenz's law is consequence of the law of conservation of

    A) Charge

    B) mass

    C) energy

    D) momentum

    Correct Answer: C

    Solution :

    Option [c] is correct
    Explanation: Lenz's law is a consequence of the law of conservation of energy.
    Lenz law says that induced current always tends to oppose the cause which produces it. So work is done against opposing force. This work is transformed into electrical energy. So it a consequence of law of conservation of energy.


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