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Monday Quiz: Sizing low-level measurements

22 Jun 2015  | Martin Rowe

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Answers

1. Which of the following is not a currently accepted SI prefix?

The correct answer is c, otto. Otto makes pizza in Portland.

2. Which of the following is not a potential cause of measurement errors when making low current measurements?

The correct answer is a. Guarding reduces measurement errors.

3. Which of the following is not a potential cause of error when making low voltage measurements?

The correct answer is d. A single-point ground reference eliminates ground loops, a source of measurement errors.

4. Which of the following isn't a potential cause of measurement error when measuring low resistance?

The correct answer is a. Offset compensation reduces measurement error.

5. Which of the following is not a correct electrical measurement equation?

The correct answer is c, Hall coefficient (m3/C): RH = VH / (I×B×t).


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