Explain the difference between a Positive Temperature Coefficient (PTC) thermistor and a Negative Temperature Coefficient (NTC) thermistor.
What will be an ideal response?
The resistance of a PTC increases as the temperature increases.
The resistance of a NTC decreases as the temperature increases.
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A. opposite B. the same
What SAE J standard relates specifically to smoke opacity measurement of highway diesel engines?
A. J 1584 B. J 1667 C. J 1708 D. J 1939
What is a vital part of the pharmaceutical industry?
A) Efficacy B) Testing C) Quality control D) Compounding
There are two areas into which the properties of matter can be divided:
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