This practice quiz has been created for the students taking Electronic Materials (EE 3903) course offered in Spring 2015 in the Department of Electrical Engineering at Kennesaw State University. The quiz aims to help self evaluate student's preparation on the understanding of the subject matter in an efficient way and does NOT contribute to the final grade.
A is more electronegative than B
B is more electronegative than A
Both A and B have same electronegativity
Both A and B must be metals
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Atoms vibrating due to thermal energy
Impurity atoms present in the crystal
Defects present in the crystal
All of the above
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Optical properties
Electronic properties
Mechanical properties
All of the above
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Lattice parameters
Residual Strain
Crystallinity
All of the above
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Paramagnetic
Ferrimagnetic
Ferromagnetic
Diamagnetic
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Broad peaks
Sharp peaks
Large number of closely spaced peaks
Showing only (100) and (111) peaks
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Simple Cubic
Face Centered Cubic
Body Centered Cubic
Diamond
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Do not interfere at all
Are completely out of phase
Make constructive interference
Make destructive interference
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Decreases
Increases
Remains constant
Increases till 300K and then decreases
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3
4
5
6
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Applied magnetic field
Injected current
Hall coefficient
All of the above
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Zero dimensional defect
One dimensional defect
Two dimensional defect
Three dimensional defect
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Point defect
Line defect
Surface/Plane defect
Volume defect
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Mobility increases
Drift velocity increases
Conductivity increases
All of the above
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Metal B has higher thermal conductivity
Metal A has higher thermal conductivity
There is no relation between electrical & thermal conductivity of metals
Thermal conductivity of Metal A is exactly half of metal B
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Within the bandgap and very close to the valence band
Within the bandgap and very close to the conduction band
Within the bandgap and away from both conduction and valence bands
Above the conduction band
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Equal to the 1st ionization energy
Less than the 1st ionization energy
Higher than the 1st ionization energy
A universal constant for all elements
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Increases
Decreases
Remains same
Rapidly increases
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High Coercivity
Large area within the hysteresis loop
Low coercivity
Low remenance
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Carrier mobility
Carrier type
Carrier lifetime
Carrier concentration
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6
2
4
8
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(111)
(001)
(100)
(010)
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50 Hz
60 Hz
100 Hz
25 Hz
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Increase magnetization
Increase saturation flux density
Decrease magnetostatic energy
Decrease hysteresis loss
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Zero dimensional defect
One dimensional defect
Two dimensional defect
Three dimensional defect
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A has relatively smaller grains
B has relatively larger grains
A has more grains per unit area
B has more grains per unit area
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CBM and VBM mismatch in the k-space
Ideal for optoelectronic devices (such as LEDs)
Recombination process is mediated by phonons
Recombination process is inefficient
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Superconductor
Diamagnetic material
Antiferromagnetic material
Paramagnetic material
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Increase
Decrease
Does not change
Increases from 0K-273K, then decreases
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