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, 3 and 4
C. 1, 2 and 3
D. 2, 3 and 4
Answer: Option C
This Question Belongs to Electrical Engineering >> Electronics And Instrumentation
Related Questions on Electronics and Instrumentation
A. Reflection
B. Diffraction
C. Refraction
D. Polarization
A. S1 is true & S2 is false
B. S2 is true & S1 is false
C. Both S1 & S2 are true
D. Both S1 & S2 are false
A. S1 is true and S2 is false
B. Both S1 and S2 are true
C. S1 is false and S2 is true
D. Both S1 and S2 are false
Common mode rejection ratio is defined as ratio of
A. Common mode gain to differential mode gain
B. Differential mode gain to common mode gain
C. Common mode gain at input to differential mode gain at input
D. Common mode gain at output to differential mode gain at output
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