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The dipoles in the inactive transmission region offer ________ impedance.(a) Capacitive(b) Resistive(c) Inductive(d) CharacteristicI got this question in exam.Origin of the question is Frequency Independent Antenna topic in division Frequency Independent Antenna of Antennas

Answer»

Correct choice is (a) Capacitive

For explanation: Depending on the length of the dipoles, in different regions they OFFER different resistances.

In INACTIVE TRANSMISSION line region \(L < \frac{λ}{2}\)offers Capacitive Impedance

Active region \(L=\frac{λ}{2} \)offers Resistive Impedance

Inactive stop region \(L > \frac{λ}{2} \)offers Inductive impedance.


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