No more than how many mV difference should be between an Unknown Condition and a Known Good reference electrode?
A. 2.5 mV
B. 5 mV
C. 10 mV
D. 10.5 mV
Answer (1)
The question requires selecting the correct value for the maximum allowed DC positive or negative difference between an unknown condition and a known good reference electrode.
Based on factual knowledge, the correct answer is 10 mV.
Therefore, the maximum allowed difference is 10 mV .
Explanation
Understanding the Problem The question asks about the maximum allowed DC positive or negative difference between an unknown condition and a known good reference electrode. The options are: a. 2.5 mV, b. 5 mV, c. 10 mV, d. 10.5 mV
Solution Plan The problem requires selecting the correct value from the given options. The correct answer is a factual value that is not derivable from other mathematical relations, so no calculations are needed.
Selecting the Correct Option Based on my knowledge, the correct answer is 10 mV.
Final Answer Therefore, the maximum allowed DC positive or negative difference between an Unknown Condition and a Known Good reference electrode is 10 mV .
Examples
In electronics, reference electrodes are used to measure the potential of other electrodes. Maintaining a small difference between the unknown and reference electrodes ensures accurate measurements. This is crucial in applications like pH meters, where precise voltage readings are necessary for determining acidity or alkalinity. Similarly, in corrosion studies, reference electrodes help monitor the corrosion potential of a metal, and keeping the voltage difference within the specified limit ensures reliable data for assessing corrosion rates and predicting material lifespan. In medical devices, accurate voltage measurements are essential for diagnostics and monitoring patient health, making the adherence to voltage difference standards vital for safety and efficacy.
