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Which of the following is material is used to improve electrical contact?

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in Biomedical Instrumentation by (76.6k points)
Which of the following is material is used to improve electrical contact?

(a) Silver Tungsten

(b) Electrode jelly

(c) Silver Graphite

(d) Copper Tungsten

The question was asked in exam.

The origin of the question is Measurement of Heart Rate in portion Patient Monitoring System of Biomedical Instrumentation

1 Answer

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Best answer
Right option is (b) Electrode jelly

Best explanation: Electrode jelly or paste is used to improve the electrical contact. If the electrodes are intended to be used under the skin of the scalp, needle electrodes are used. They offer the advantage of reducing movement artefacts.

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