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In normal mode of radiation, far field pattern is independent of number of turns in helical antenna.

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In normal mode of radiation, far field pattern is independent of number of turns in helical antenna.

(a) True

(b) False

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I want to ask this question from Frequency Independent Antenna topic in portion Frequency Independent Antenna of Antennas

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The correct choice is (a) True

To elaborate: In normal mode, the dimensions of the antenna are small compared to the wavelength. So the current magnitude and phase is constant overall the length. The far field pattern is independent of the number of turns. It considers as a single loop.

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