Which of the following are piezo electric substances?

Which of the following are piezo electric substances?

  1. Barium titanate
  2. Lead titanate
  3. Lead Zirconate
  4. Cadmium and sulphate

Choose correct one

A. 1,2 and 4
B. 1,3and4
C. 1,2and 3
D. 2,3and 4

Show Answer

Answer: C

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