Explain the working principle of an electrocardiograph (ECG) system. Describe the function of its main blocks – electrodes, preamplifiers, isolation…
Explain the working principle of an electrocardiograph (ECG) system. Describe the function of its main blocks – electrodes, preamplifiers, isolation circuits, and recording unit.
From the BPSC Assistant Engineer (EEE) November 2026 – Written exam, question 26 of 28.
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