1. If the electric field intensity associated with a uniform plane electromagnetic wave travelling in a perfect dielectric medium is given by E(z, t) = 10 cos (2p x 107t - 0.1 p z) volt/metre, then the velocity of the travelling wave is





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  • By: guest on 02 Jun 2017 12.49 am
    E(z, t) = 10 cos (2p x 107t - 0.1 p z) f = 107 Hz, β = 0.1p
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