Which of the following device is used for coupling microwave energy?

Which of the following device is used for coupling microwave energy? 

A) Resonator B) Waveguide C) Loop D) Antenna
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2 Answers

Answer :

Which of the following device is used for coupling microwave energy? 

A) Resonator B) Waveguide C) Loop D) Antenna 

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Answer :

A
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