Researchers have discovered that few crystals like quartz, barium titanate, lithium tantalite etc. have a peculiar characteristic that it can produce electrical energy by applying mechanical force and also can produce mechanical energy or force under the influence of electrical field.

Therefore, this becomes a very useful transducer material and can be used for many different applications. These are known as piezoelectric materials and can be very effectively used as transducers.

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Let’s look at few applications of this piezoelectric transducer, you experience in daily life.

1. Mechanical stress analyser

There are wide applications of such stress analyser in the field of construction industry where by applying suitable voltage you can create certain amount of force that can be easily measured. Thus, it is possible to determine how much stress any construction can with stand.


2. Lighters
You must be using either cigarette lighter or gas burner in your daily life, which also uses piezoelectric effect as it can produce electric pulse by applying certain amount of force, which is used for triggering a spark.

3. Quartz watch

The watch that you wear daily also uses quartz resonator, which is a piezoelectric material. This works as an oscillator when an electrical signal is applied on it. Due to electric voltage it resonates at certain fixed frequency which is used for controlling the gears inside the watch.

4. Buzzers

You can find use of buzzers in many appliances like computers, cars and many other electronic appliances. By applying certain voltage on the piezo-crystals, it is made to vibrate and this vibration can be used for creating an audible sound.