Two factors determine the polarity of the voltage produced by the Hall generator: the direction of current flow and the ____ of the ____ field.

A. polarity; magnetic
B. polarity; gravitational
C. strength; magnetic
D. strength; gravitational


Answer: A

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What is the diff erence between communicating qualitative information and quantitative information?

What will be an ideal response?

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Name the type of gears that are conical in shape, allowing the shafts of the gear and pinion to intersect at 90° or any desired angle. The teeth have the same shape as the teeth on spur gears except they taper toward the apex of the cone, and provide for a speed change between the gear and pinion.

What will be an ideal response?

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A copper electroplating process sometimes uses a compound called _____.

A. table salt B. copper sulfate C. sulfuric acid D. metallic salt

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Fill in the blank(s) with the appropriate word(s).

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