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1 December, 04:00

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. 1 December, 07:30
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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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