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Which of the following technique is not employed in isolation devices?(a) resistance(b) optical(c) inductance(d) capacitanceThe question was posed to me by my school principal while I was bunking the class.The origin of the question is General Considerations for Signal Conditioners in portion Recording System of Biomedical Instrumentation

Answer»

Right option is (a) RESISTANCE

To elaborate: Resistance technique is not employed in making isolation devices. The isolation devices pass the signal from its SOURCE to the measurement device without a physical or GALVANIC connection by USING transformer, OPTICAL or capacitive coupling technique.



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