When coupling coefficient is 1, the resonator is ________ to the feed line.

Electronics and Communication Engineering (ECE) : Microwave Communication - Quiz(MCQ)

critically coupled

over coupled

under coupled

None of the above

Correct Answer : Option (A) : critically coupled

Explanation : The resonator is critically coupled to the feed line when the coupling coefficient is 1. Maximum power is transferred between the resonator and the feed line since the resistance of the resonator is equal to the characteristic impedance of the transmission line.

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