Most Calculators Operate on 6

question 34

Multiple Choice

Most calculators operate on 6.0 V.If,instead of using batteries,you obtain 6.0 V from a transformer plugged into 110-V house wiring,what must the ratio of the primary to the secondary turns be in the transformer? (Ignore any changes in voltage due to rectification.)

• A)0.054
• B)18
• C)660
• D)0.066
• E)15

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Definitions:

Acid Deposition

The deposition of acidic components in rain, snow, or dust on the surface of the Earth, often resulting from industrial emissions.

Nitrogen Oxides

Gaseous compounds of nitrogen and oxygen, such as NO and NO2, that contribute to air pollution and can have harmful effects on human health and the environment.

Endemic Species

A species found only in the region where it evolved.