A very small source of light that radiates uniformly in all directions produces an electric field with an amplitude of ܧ ௠at a distance R fr

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A very small source of light that radiates uniformly in all directions produces an electric field with an amplitude of ܧ ௠at a distance R from the source. What is the amplitude of the magnetic field at a point 2R from the source?

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Khánh Gia 5 months 2021-08-24T01:00:40+00:00 1 Answers 0 views 0

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    2021-08-24T01:02:04+00:00

    A very small source of light that radiates uniformly in all directions produces an electric field with an amplitude of ܧ ௠at a distance R from the source. What is the amplitude of the magnetic field at a point 2R from the source?

    If the distance from the source is doubled. The amplitude of the magnetic field is smaller 4 times.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )