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Power Line Hum is responsible for most of common-mode interfering signal.

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in Biomedical Instrumentation by (76.6k points)
Power Line Hum is responsible for most of common-mode interfering signal.

(a) True

(b) False

The question was posed to me in homework.

My question is based upon Measurement of Hearing topic in division Audiometry of Biomedical Instrumentation

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Best answer
Right choice is (a) True

For explanation: It is True. Power Line Hum is responsible for most of common-mode interfering signal. This is suppressed by a notch filter following the input amplifier. A sizable common-mode signal manages to pass through the input amplifier, a circumstance to be expected whenever electrodes spaced a few centimetres apart are attached to the human body in a hospital environment.

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