A cavity resonator is - Microwave Communication

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

A cavity resonator is

a hollow metallic enclosure

a hollow enclosure having magnetic material as its walls

a hollow enclosure having dielectric material as its walls

None of the above

Correct Answer : Option (A) : a hollow metallic enclosure

Explanation : Hollow metallic enclosures exhibit resonance behaviour when excited by electromagnetic field.

These enclosures are called cavity resonators.

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have low value of R

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Correct Answer : minimize capacitive effect

In a klystron amplifier the transit time of electron passing the gap in the cavity should be

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Correct Answer : less than quarter cycle

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the flow of electromagnetic energy is zero

the flow of electromagnetic energy is infinite

the flow of electromagnetic energy is 10% of maximum

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Correct Answer : the flow of electromagnetic energy is infinite

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