Physics for Electrical Engineering: Unit II: a. Electrical Properties of Materials
Additional Q and A
Electrical Properties of Materials | Physics for Electrical Engineering
Physics for Electrical Engineering: Unit II: Electrical and Magnetic Properties of Materials : Additional Q and A
ADDITIONAL Q&A
1. What is electron theory of
solids?
The
electrons in the outermost orbit of the atoms which constitute the solids
determine its electrical properties. The electron theory of solids explains the
structure and properties of solids through their electronic structure.
2. What are special features of
classical free electron theory of solids?
In
a metal, the free electrons of an atom are free to move about the entire volume
of the metal like the molecules of a perfect gas in a container. These free
electrons in the metal are responsible for electrical conduction.
3. What is a periodic potential.
When
an electron moves through a solid, its potential energy varies periodically
with the periodicity equal to period of space lattice 'a' (interatomic
distance). This is called periodic potential.
4. What is an energy band?
A
set of closely spaced energy levels is called an energy band.
5. What is an effective mass of
electron?
The
mass acquired by an electron when it is accelerated in a periodic potential is
called effective mass of an electron. It is denoted by m.
Physics for Electrical Engineering: Unit II: a. Electrical Properties of Materials : Tag: : Electrical Properties of Materials | Physics for Electrical Engineering - Additional Q and A
Physics for Electrical Engineering: Unit II: a. Electrical Properties of Materials
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Physics for Electrical Engineering
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