12th Class Physics Magnetism Question Bank Case Based (MCQs) - Magnetism and Matter

  • question_answer
    Electric current in the Earth's core is generated due to:

    A) Movement of charged particle in the atmosphere.

    B) Flowing of liquid metal in the outer core.

    C) Electric discharges during thunderstorm.

    D) Its revolution around the Sun.

    Correct Answer: B

    Solution :

    (b) Flowing of liquid metal in the outer core. The fluid motion in Earth's outer core moves liquid iron and generates an electric current.


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