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Electronics - Quantities and Units

@ : Home > Electronics > Quantities and Units > General Questions

Exercise

"It takes a very long time to become young."
- Pablo Picasso
1. 

Derived units are obtained from various combinations of
A. electrical quantities
B. fundamental units
C. metric prefixes
D. international standards
2. 

Which of the following metric prefixes could replace 10–9?
A. NanoB. Mega
C. KiloD. Micro
3. 

Scientific notation is a method
A. of expressing a very large number
B. of expressing a very small number
C. used to make calculations with large and small numbers
D. All of the above
4. 

If you drop a 5 when rounding a number, you are using the
A. round-to-even rule
B. significant digit rule
C. round-off rule
D. retained digit rule
5. 

7200 mV is the same as
A. 7.2 mu.gifV
B. 7.2 V
C. 7,200,000 V
D. 0.0072 mu.gifV

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