Silicon and germanium have diamond structure. The number of atoms in a volume eq

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Electronics and Communication Engineering ‣ Materials and Components Comments

Question
Silicon and germanium have diamond structure. The number of atoms in a volume equal to a³ where a is the edge of elementary cube are
Options
A. 32
B. 16
C. 8
D. 4

Correct Answer

8

Materials and Components problems

Search Results

1. Assertion (A): Holes are majority carriers in p type semiconductor.
Reason (R): In p type semiconductor, the electrons produced by thermal agitation recombine with holes.
Options
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

4. The units for intrinsic strength of dielectric are
Options
A. kV
B. kV/m
C. A
D. A/m

7. The two conductors of a transmission line carry equal current I in opposite direction. The force on each conductor is
Options
A. proportional to I
B. proportional to I²
C. proportional to distance between the lines
D. proportional to I³

10. Assertion (A): Electronic polarizability increases as atoms becomes larger.
Reason (R): For rare gas, ?₀(?_r - 1) E = Na_e, where N is number of atoms/m³ and a_e is electronic polarizability of material.
Options
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

Comments

More in Electronics and Communication Engineering: