题目内容

Which one is not an optical phenomenon?

A. polarization
B. parasitic effect
C. reflection
D. refraction

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Which component is an active device?

A. resistor
B. capacitor
C. transistor
D. inductor

Which one belongs to the ternary compound semiconductor?

A. silicon
B. phosphorus
C. gallium phosphide
D. aluminum indium arsenide

Which one is conductor in the following materials?

A. silicon
B. quartz
C. glass
D. copper

At room temperature, the barrier potential of silicon is ________.

A. 0.7V
B. 0.3V
C. 0.5V
D. 1V