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Exam Questions Papers - Engineering

Q1:

A 300 MHz plane EM wave is propagating in free space. The wave is incident normally on an infinite copper slap. The antenuation constant for the wave is (σcopper = 5.8 x 107 mho/ m). The skin depth is

A 0.005 x 10-3 m

B 0.0038 x 10-3m

C 0.0028 x 10-3 m

D 0.0024 x 10-3 m

ANS:B - 0.0038 x 10-3m

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