When electromagnetic waves strike a metal pipe,what usually happens?
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A: Power of the wave is P = 24 mW Electric field amplitude is E = 0.010 V/m
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A: Given : P= 2 x 104 WA=106 m2μ∘=4π x 10-7c=3 x 108
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A: Distance=2.6×10^10mm Intensity=5300W/m²
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