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31 August, 01:13

An electromagnetic wave is traveling in a vacuum. The electric field e of the wave is doubled. What happens to the magnetic field b

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  1. 31 August, 01:42
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    The magnetic field doubles as well

    Explanation:

    in an EM wave, the magnitude of the electric field is proportional to the

    magnitude of the magnetic field, and the proportionality constant is c, the

    speed of light!

    That is : E = cB
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