B.Tech-COMMON PAPER 2nd Sem ENGINEERING PHYSICS(Anna University Trichy, Tiruchi, Tamil Nadu-2009)
Thursday, 23 September 2010 05:34Abhigyan Singh
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PART A (10X2=20 MARKS) - How classical free electron theory failed to account for specific heat of solid?
- Define Fermi energy level and give its importance.
- Give any two differences between elemental and compound semiconductors
- Draw the diagram to show variation of Fermi level with temperature in the cases of p-type semiconductor for high and low doping level.
- Mention the energies involved in domains of ferromagnetic materials.
- What is cooper pair of electrons?
- Define dielectric loss.
- What are ferroelectric materials?.
- Write the merits of metallic glasses as transformer core
- What are the different structures of carbon nanotubes?
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