2. What is the piezoelectric effect? Use examples to help illustrate your answer?
The aim of these portfolio questions is that you demonstrate your understanding of the question you have chosen.The best way to do this is to keep things simple and only include information that you understand.There will be much information available about these questions but!please try and stick to the basic underlying principles and ensure you have a good understanding of the concepts you are submitting
They are!also expected to include illustrations (diagrams, pictures, etc) and at least five journal articles published in the last 5 years.
word limit : 1000
my instruction
introduction:
what is the piezoelectric effect? the defection with some describe what is it
and how many types : direct and indirect and combination of the direct and indirect.
example ( application)
*the direct:
1- ultrasonic transducers (e.g. in medical imaging) ( eg medical imaging) with diagrams.
2- switches( eg in control panel)
* the indirect
1-actuators (for micropositioning, micropumps, microvalves)
2-speakers, buzzers (e.g. in mobile phones)
A combination of the direct and the indirect piezoelectric effect is found in
1- voltage transformers
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