12th Class Physics Magnetism Question Bank MCQ - Magnetism and Matter

  • question_answer
    Which of the following is responsible for the Earth's magnetic field?

    A) Convective currents in Earth's core.

    B)             Diversive current in Earth's core.

    C)             Rotational motion of Earth.

    D)             Translational motion of Earth.

    Correct Answer: A

    Solution :

    (a) Convective currents in Earth's core. The Earth's core is hot and molten. Hence, convective current in Earth's core is responsible for it's magnetic field.


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