An n-type semiconductor is______________?
A. Positively charged
B. Negatively charged
C. Electrically neutral
D. None of the above
Semiconductor Theory
Addition of pentavalent impurity to a semiconductor creates many________________?
Addition of pentavalent impurity to a semiconductor creates many________________?
A. Free electrons
B. Holes
C. Valence electrons
D. Bound electrons
When a pure semiconductor is heated, its resistance_________________?
When a pure semiconductor is heated, its resistance_________________?
A. Goes up
B. Goes down
C. Remains the same
D. Can’t say
A semiconductor has generally_______________valence electrons?
A semiconductor has generally_______________valence electrons?
A. 2
B. 3
C. 6
D. 4
A semiconductor has ______________ temperature coefficient of resistance?
A semiconductor has ______________ temperature coefficient of resistance?
A. Positive
B. Zero
C. Negative
D. None of the above