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In the table below, the attenuation in dB) of coaxial cable for the indicated frequencies and distances are tabulated Distance dB @ 1 kHz dB

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In the table below, the attenuation in dB) of coaxial cable for the indicated frequencies and distances are tabulated Distance dB @ 1 kHz dB @ 10 kHz dB @ 100 kHz 1 km -3 -7 -20 10 km -30 -70 -200 15 km -45 -105 -300 If the power at the beginning of 1 km coaxial cable is 200 mW, what is the power at the end for freonencies 1 kHz, 10 kHz, and 100 kHz

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