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electronics and communication engineering microwave communication
1. Assertion (A): Hollow waveguides are frequently used as transmission lines at microwave frequencies.Reason (R): Waveguide has high power handling capacity, low loss and simple structure.
(A): A is correct but R is wrong
(B): A is wrong but R is correct
(C): Both A and R are correct and R is correct explanation of A
(D): Both A and R are correct but R is not correct explanation of A
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