An insulator is one whose
A. valence band is empty
B. conduction band is full
C. energy gap between the two band is large
D. none of these
Answer: Option C
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

Join The Discussion