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An electromagnetic wave radiates outwards from a dipole antenna with as the amplitude of its electric field vector. The electric field which transports significant energy from the source falls off as
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Correct option is C
I ∝Eo2 ∝1r2⇒E0∝1rA diode antenna radiates the electromagnetic waves outwards. The amplitude of electric fieldE0 which transports significant energy from the source falls intensity inversely as the distance r from the antenna i.e,Talk to our academic expert!
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The electric field associated with a propagating electromagnetic wave is described by the equation volt/ meter , where x is in meter and t is second. The wavelength of the wave in the unit of is
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