Physics for Electrical Engineering: Unit II: a. Electrical Properties of Materials
Part B - 16 Marks Questions
Electrical Properties of Materials | Physics for Electrical Engineering
Physics for Electrical Engineering: Unit II: Electrical and Magnetic Properties of Materials : Part B '16' Marks Questions - Anna University Questions
PART B '16' Marks
Questions
Anna University
Questions
Classical free electron theory
1.
Define electrical conductivity. Obtain an expression for electrical
conductivity by free electron theory. (AU
May/June 2013)
2.
Based on the classical free electron theory, derive an expression for
electrical conductivity of metals. (AU
April/May, 2014)
3.
(i) State the assumption of the classical free electron mih model.
(ii)
Obtain an expression for the electrical conductivity on the basis of the
classical free electron theory. (AU June
2016)
4. Starting with the classical free electron
theory of metals obtain an expression for electrical and thermal conductivity. (AU Dec 2009)
5.
(i) List the drawbacks of classical free electron theory.
(ii)
Obtain Wiedemann Franz law using the expressions of electrical and thermal
conductivity. (AU Nov/Dec, 2015)
6. (i) Deduce an expression for electrical
conductivity of conducting material.
(ii)
List any four drawbacks of classical free electrons theory. (AU Dec. 2013)
7.
Deduce mathematical expressions for electrical conductivity and thermal
conductivity of a conducting material.(AU
May/June, 2014)
8.
(i) Mention any four postulates of classical free electron theory.
(ii) Obtain an expression for the thermal
conductivity of lagros metal. (AU Nov /
Dec, 2013)
9.
Write Fermi - Dirac function. Obtain an expression for the density of states. (AU Dec 2015)
10.
Obtain an expression for density of states. (AU Dec. 2016)
11. Explain the meaning of 'density of
states'. Derive an expression for the number of allowed states for unit volume
To of a solid. (AU May 2017)
Physics for Electrical Engineering: Unit II: a. Electrical Properties of Materials : Tag: : Electrical Properties of Materials | Physics for Electrical Engineering - Part B - 16 Marks Questions
Physics for Electrical Engineering: Unit II: a. Electrical Properties of Materials
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Physics for Electrical Engineering
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