When the Piezo Stack in a Piezo-Actuator Is Hit with an Electrical

Multiple Choice

When the piezo stack in a piezo-actuator is hit with an electrical trigger, which of the following best describes the time required for a mechanical response?

A) almost instantly
B) lagged by time required to build field
C) lagged by time required to overcome counter electro-motive force (CEMF)
D) slower than an equivalent solenoid actuator