Which of the following are used with ammeters to increase their range for current measurement?
a. Current-limiting resistors
b. Shunt resistors
c. Clips
d. Magnets
b
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A(n) ____________________ shows how many times a number is taken as a factor.
Fill in the blank(s) with the appropriate word(s).
The chimney sections are slipped together and fastened with sheet metal screws, and then the chimney is framed with wood and covered with the specified siding and trim; this chimney enclosure is called ______.
A. chase B. flue C. damper D. smoke shelf
A _________ __________is a visual multimeter.
Fill in the blank(s) with the appropriate word(s).
Controlled experiments are those that:
A) require only a few replications because everything is rigorously controlled. B) have an outcome that is only influenced by the factor being studied. C) are performed in controlled environments such as greenhouses and growth chambers. D) are most often used in ecological research.