Why a long wavenenth requires a gigantic antennas

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Reference no: EM13258766

a) Why is it that if the power system of interest is physically smaller than the wavelength, we can represent it as a lumped-parameter system?

b) Why a long wavenenth requires a gigantic antennas?

c) What's a wavelength? What's the interpretation of this equation λ=v/f?

Can someone show these ideas dynamicaly or at least graphically?

Reference no: EM13258766

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