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Engineering Physics II Mock Test 7


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. An oxygen atom produced a dipole moment of 5 X 10-23 cm when subjected to an electric field. If the separation between the center of electronic cloud and the nucleus is 4 X 10-17 m, what is the polarizability of the oxygen atom?

Question 1 of 10

Question 2 of 10

2. Ceramics cannot be _________

Question 2 of 10

Question 3 of 10

3. In which type of breakdown, an avalanche of electrons is formed?

Question 3 of 10

Question 4 of 10

4. What is the relation between εr and χ?

Question 4 of 10

Question 5 of 10

5. How is the resistance of semiconductor classified?

Question 5 of 10

Question 6 of 10

6. The following figure shows ____________
engineering-physics-questions-answers-types-dielectric-materials-q9

Question 6 of 10

Question 7 of 10

7. H2O is a polar dielectric.

Question 7 of 10

Question 8 of 10

8. The symmetry of BaTiO3 in ferroelectric form is _________

Question 8 of 10

Question 9 of 10

9. Which quantity of a ferroelectric material varies with temperature in the following graph?
engineering-physics-questions-answers-ferroelectricity-q7

Question 9 of 10

Question 10 of 10

10. Piezoelectricity means _________________

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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