quantum tunnelling composite (qtc) - examination …
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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)
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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
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PIEZOELECTRIC MATERIAL - EXAMINATION QUESTIONS
3. With the aid of notes and a sketch(s), describe one practical example of a piezoelectric material. 6 marks
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