Technician a Says Piezo Material Is a Type of Crystal

question 68

Multiple Choice

Technician A says piezo material is a type of crystal that rapidly shrinks when it is exposed to electrical current. Technician B says piezo material shrinks very slowly when current to it is stopped. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Labor Demand Curve

A graphical representation that shows the quantity of labor that employers are willing to hire at different wage rates.

Unit-elastic

A situation in which the percentage change in quantity demanded is equal to the percentage change in price, resulting in no change in total revenue.

Elasticity of Labor Demand

A measure of how the quantity of labor demanded by employers changes in response to a change in wages or salary levels.

Close Substitutes

Products or services that can easily replace each other in consumption, showing a high level of interchangeability.