Piezoelectric effect
What Piezoelectric effect means in Physics A-Level, as defined for AQA, OCR.
Definitions of Piezoelectric effect
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Reference: OCR
The production of a potential difference across certain crystals when they are mechanically deformed, and the reverse effect where an applied potential difference causes the crystal to change shape.
A material changes shape when a voltage is applied and produces a voltage when deformed.
Topics that use Piezoelectric effect
- Ultrasound imaging (A-level only) (AQA A-Level)
- Using ultrasound (OCR A-Level)
Related terms
- A-scan
- Acoustic impedance
- B-scan
- Coupling gel
- Intensity reflection coefficient
- Acoustic impedance and reflection
- Acoustic impedance mismatch
- Acoustic matching
Using Piezoelectric effect in the exam
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