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Which of the following is used in magnetic wind instruments to determine the amount of oxygen?(a) Change in resistance(b) Change in capacitance(c) Change in inductance(d) Change in concentrationI had been asked this question during an interview for a job.I'm obligated to ask this question of Magnetic Wind Instruments in section Industrial Gas Analysers of Analytical Instrumentation |
Answer» CORRECT option is (a) CHANGE in RESISTANCE Explanation: In magnetic wind instruments to determine the amount of oxygen, change in temperature leads to a change in resistance. This change in resistance is MEASURED to determine the amount of oxygen. |
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