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In medical recorders, the signal of interest is of the order of _______

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in Biomedical Instrumentation by (76.6k points)
In medical recorders, the signal of interest is of the order of _______

(a) nanovolts

(b) microvolts

(c) megavolts

(d) volts

The question was posed to me in examination.

My question is from Smart Sensors topic in portion Physiological Transducers of Biomedical Instrumentation

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Correct option is (b) microvolts

The best explanation: The signals of interest in medical recorders are in the range of micro volts. They are captured by the help of sensitive electrodes and transducers and then amplified to a certain higher level. After the amplification further processing is carried out.

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