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1 March, 19:11

how is the speed of em wave in vacuum is determined by the electric and magnetic fields? (DELHI 2017)

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  1. 1 March, 19:48
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    Alternating magnetic or electric field result propagation in vacuum in form of electromagnetic waves. The speed of the electromagnetic wave was found to be 3 x 10^8 m/s ... So if a magnetic flux is changing like this then the electric field will circulate around that changing magnetic flux.
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