Displacement & Strain Measurement – 3

3. Ceramic materials are used for piezoelectric transducers :

(a) they are polycrystalline in nature
(b )they are basically made of barium titanate
(c) they do not have piezo-electric properties in their original state but these properties are produced by special polarizing treatment
(d) all of the given options

Answer : (d)

Explanation : No answer description available for this question. Let us discuss.

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