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What is the propagation constant for air filled wave guide with dimensions a = 1.59" and b = 0.795" at 4.95 GHz?

0.6698
0.7698
0.503
0.6598

Correct Answer: 0.6698

Explanation:

Here,

a = 1.59'' = 40.386 mm = 4.04 cm

∴ .

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