12th Class Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Case Based (MCQs) - Magnetism and Matter

  • question_answer
    Average magnetic field strength in the Earth's outer core is:

    A) 5 Gauss

    B) 25 Gauss

    C) 500 Gauss

    D) Cannot be measured

    Correct Answer: B

    Solution :

    Option [b] is correct. Explanation: The average magnetic field strength in the Earth's outer core was measured to be 25 Gauss.


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