A. Positively charged
B. Negatively charged
C. Electrically neutral
D. None of the above
0
Addition of pentavalent impurity to a semiconductor creates many________________?
0
When a pure semiconductor is heated, its resistance_________________?
A. Free electrons
B. Holes
C. Valence electrons
D. Bound electrons
0
A semiconductor has generally_______________valence electrons?
A. Goes up
B. Goes down
C. Remains the same
D. Can’t say
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