Upload
others
View
3
Download
0
Embed Size (px)
Citation preview
USEFUL LINK:
www.technologystudent.com © 2019https://www.facebook.com/groups/254963448192823/WORLD ASSOCIATION OF TECHNOLOGY TEACHERS V.Ryan © 2019
1. What is a Quantum Tunnelling Composite? 5 marks
QUANTUM TUNNELLING COMPOSITE (QTC) - EXAMINATION QUESTIONS
2. Add a second diagram and notes, to help explain how QTCs work. 6 marks
NO PRESSUREBULB DOES NOT LIGHT
(DIAGRAM ONE) (DIAGRAM TWO)
http://www.technologystudent.com/despro_3/selfheal2.html
USEFUL LINK:
www.technologystudent.com © 2019https://www.facebook.com/groups/254963448192823/WORLD ASSOCIATION OF TECHNOLOGY TEACHERS V.Ryan © 2019
PIEZOELECTRIC MATERIAL - EXAMINATION QUESTIONS
1. What is a Piezoelectric Material? 5 marks
VOLTAGE VOLTAGE
2. The two diagrams below, show a piezoelectric material under pressure (dia. 1) and the same material without pressure (dia. 2). Explain what is happening in both diagrams. 4 marks
http://www.technologystudent.com/despro_3/selfheal2.html
USEFUL LINK:
www.technologystudent.com © 2019https://www.facebook.com/groups/254963448192823/WORLD ASSOCIATION OF TECHNOLOGY TEACHERS V.Ryan © 2019
PIEZOELECTRIC MATERIAL - EXAMINATION QUESTIONS
3. With the aid of notes and a sketch(s), describe one practical example of a piezoelectric material. 6 marks
http://www.technologystudent.com/despro_3/selfheal2.html