Question: A sinusoidal electromagnetic wave emitted by a mobile phone has a wavelength of 3 4 . 7 cmcm and an electric - field amplitude of

A sinusoidal electromagnetic wave emitted by a mobile phone has a wavelength of 34.7 cmcm and an electric-field amplitude of 4.40102 V/mV/m at a distance of 200 mm from the phone.

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