Antennas

Explanation of question 21

The correct combination of end-fed antenna and matching circuit is

The answer is :- 2 An end-fed   antenna will have high input impedance and must be matched to a high impedance circuit (parallel resonant circuit). An end-fed antenna will have low input impedance and must be matched to a low impedance circuit (series resonant circuit). The only combination satisfying this condition is 2.

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