Which of the following are piezo electric substances? 1. Barium titan

1.

Which of the following are piezo electric substances?
1. Barium titanate
2. Lead titanate
3. Lead Zirconate
4. Cadmium and sulphate

A. 1,2 and 4

B. 1,3and4

C. 1,2and 3

D. 2,3and 4

Answer» D. 2,3and 4

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Which of the following are piezo electric substances?
1. Barium titanate
2. Lead titanate
3. Lead Zirconate
4. Cadmium and sulphate

Discussion

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1.	Which of the following are piezo electric substances? 1. Barium titanate 2. Lead titanate 3. Lead Zirconate 4. Cadmium and sulphate
A.	1,2 and 4
B.	1,3and4
C.	1,2and 3
D.	2,3and 4
Answer» D. 2,3and 4