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Welsh cup electrodes have __________

(a) low contact impedance

(b) negligible contact impedance

(c) high contact impedance

(d) zero contact impedance

This question was addressed to me in an interview for internship.

Query is from Electrodes for ECG in section Bioelectric Signal and Electrodes of Biomedical Instrumentation

1 Answer

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by (65.4k points)

Welsh cup electrodes have:

(a) low contact impedance

These electrodes are designed to have low contact impedance, which helps in obtaining clear and accurate ECG signals by minimizing resistance at the skin-electrode interface.

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