Questions: Piezoelectric effect refers to the: Conversion of light into electricity Conversion of ultrasound into heat Conversion of electricity into ultrasound Conversion of ultrasound into electricity

Piezoelectric effect refers to the: Conversion of light into electricity Conversion of ultrasound into heat Conversion of electricity into ultrasound Conversion of ultrasound into electricity
Transcript text: Piezoelectric effect refers to the: Conversion of light into electricity Conversion of ultrasound into heat Conversion of electricity into ultrasound Conversion of ultrasound into electricity
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Solution

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Solution Steps

Step 1: Understanding the Piezoelectric Effect

The piezoelectric effect is a phenomenon where certain materials generate an electric charge in response to applied mechanical stress. This effect is commonly used in various applications, such as sensors and actuators.

Step 2: Analyzing the Options

Let's analyze each option to determine which one correctly describes the piezoelectric effect:

  • Conversion of light into electricity: This describes the photovoltaic effect, not the piezoelectric effect.
  • Conversion of ultrasound into heat: This is not related to the piezoelectric effect.
  • Conversion of electricity into ultrasound: This is the reverse piezoelectric effect, where an electric field causes mechanical deformation, often used in ultrasound transducers.
  • Conversion of ultrasound into electricity: This describes the direct piezoelectric effect, where mechanical stress (such as from ultrasound) generates an electric charge.

Final Answer

The correct description of the piezoelectric effect is the conversion of ultrasound into electricity. Therefore, the answer is:

\[ \boxed{\text{Conversion of ultrasound into electricity}} \]

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