At room temperature the number of conducting electrons in an intrinsic semiconductor
A. Is almost equal to the number of valence electrons
B. Is about half the number of valence electrons
C. Is small as compared to the number of valence electrons
D. Is a very small fraction of the number of valence electrons
Answer: Option D
Related Questions on Materials and Components
For making a capacitor it is better to have a dielectric having
A. High permittivity
B. Low permittivity
C. Permittivity same as that of air
D. Permittivity which is neither high nor low
As the viscosity of a liquid increases, the relaxation time
A. Remains constant
B. Increases
C. Decreases
D. First decreases then increases
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