NPN transistors are preferred to PNP transistors because they have
A. low cost
B. low dissipation energy
C. capability of handing large power
D. electrons having high mobility than holes
Answer: Option D
A. low cost
B. low dissipation energy
C. capability of handing large power
D. electrons having high mobility than holes
Answer: Option D
A. copper
B. silicon
C. silica
D. chromium
Which one of the following is not a semiconductor?
A. Silicon
B. Germanium
C. Quartz
D. Gallium arsenide
. . . . . . . . was later discovered and replaced with silicon.
A. Rubidium
B. Scandium
C. Germanium
D. Gallium
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