Material Science MCQs
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Material Science MCQs
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25 Questions

1. A ferromagnetic material is one in which neighbouring atomic magnetic moments are
2. Mobility of electron is
3. Hard magnetic material is characterized by
4. Piezoelectric effect is the production of electricity by
5. Melting point of Cesium and Iridium are diagrams they are likely to have
6. Which one of the following is not the purpose of full annealing
7. Insulating material used in spark plug is
8. In a ferroelectric material, the spontaneous polarization vanishes above
9. For silicon doped with trivalent impurity,
10. A suitable material for audio and TV transformers is
11. In a dielectric, the power loss is proportional to (Where ω is the angular frequency of applied electric field.)
12. Electromigration in metallization refers to the diffusion (under the influence of current) of
13. Metallic bond is not characterized by
14. Among the common dielectric materials, the highest dielectric strength is possessed by
15. Chemical formula of a simple ferrite may be written as
16. An electron in the conduction band
17. In intrinsic semiconductor there are
18. Fermi level represents the energy level with probability of its occupation of
19. The forbidden energy gap of carbon in diamond structure is
20. Miller indices of the diagonal plane of a cube are
21. Binary phase diagrams of two component systems are usually
22. The hardness of quenched Martensite
23. Fine grain sizes are obtained by
24. The Fermi level in an n-type semiconductor at 00 K lies
25. At absolute zero temperature, the probability of finding an electron at an energy level E is zero when