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Which electrode is placed inside the orifice tube, in coulter counter?(a) Metal electrode(b) Platinum electrode(c) Silicon electrode(d) Magnesium electrodeI had been asked this question in final exam.This intriguing question comes from Transmission of Video Images in section Telemedicine Technology of Biomedical Instrumentation

Answer»

Right choice is (b) Platinum electrode

Easy EXPLANATION: In a coulter counter, a platinum electrode is PLACED INSIDE the orifice tube and a second electrode is submerged into the beaker containing the cell dilution, creating an electrical circuit between the two ELECTRODES.



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