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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