The power radiated from a linear antenna of length l is proportional to (λ = wavelength):
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Question

The power radiated from a linear antenna of length l is proportional to (λ = wavelength):

G1 Physics · Accepted Answer

For a short linear antenna, the radiated power is proportional to the square of the ratio of antenna length to wavelength: P ∝ (l/λ)² Therefore option D follows.