For efficient radiation and reception of signal with wavelength λ, the transmitting antennas would have length comparable to ………
For efficient radiation and reception of signal with wavelength λ, the transmitting antennas would have length comparable to ………
(A) λ of frequency used
(B) λ/2 of frequency used
(C) λ/3 of frequency used
(D) λ/4 of frequency used
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