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The dipoles in the inactive transmission region offer ________ impedance.

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The dipoles in the inactive transmission region offer ________ impedance.

(a) Capacitive

(b) Resistive

(c) Inductive

(d) Characteristic

I got this question in exam.

Origin of the question is Frequency Independent Antenna topic in division Frequency Independent Antenna of Antennas

1 Answer

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Best 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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