Understanding Semiconductors and PN Junctions in Physics
Explore the electronic structure of silicon, electron behavior with temperature change, and the types of semiconductors through a series of quiz questions and images in the field of physics from a material science perspective.
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Presentation Transcript
Quiz_29 Previous material Metals, Semiconductors New material p-n junction Physics 274 11/14/2016
Q.1 The element silicon has Z=14. Its electronic structure is the following. A. 1s22s22p63s23p3 B. 1s22s22p53s23p3 C. 1s22s22p63s23p2 D. 1s22s12p63s23p3 E. 1s22s22p63s23p24s1
Q.2 As the temperature increases, more electrons are A. Found below the Fermi energy B. Excited above the Fermi energy C. Found in the conduction band of metals D. Insulators become superconductors
Q.2 Does this energy band picture depicts a n-type or p-type or an intrinsic semiconductor? A. N-type B. P-type C. Intrinsic D. Extrinsic
Q.4 This picture denotes a Germanium (group IV) semiconductor is doped with a Gallium (group III) impurity. What type of semiconductor is this ? A. N-type B. P-type C. N-P-N type D. P-N-P type
