Discussion :: Microwave Communication
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Assertion (A): Impedance matching can be done by using stubs.
Reason (R): A double stub is used for impedance matching when frequency of signal varies.
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A.
Both A and R are correct and R is correct explanation of A
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B.
Both A and R are correct but R is not correct explanation of A
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C.
A is correct but R is wrong
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D.
A is wrong but R is correct
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Answer : Option A
Explanation :
Hollow metallic enclosures exhibit resonance behaviour when excited by electromagnetic field.
These enclosures are called cavity resonators.
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