CBSE BoardEnglish MediumSTD 12 SciencePhysics14. Semicondutor electronics1 Mark
MCQ
The most commonly used material for making transistor is
A
Copper
✓
Silicon
C
Ebonite
D
Silver
✓
Answer
Correct option: B.
Silicon
b Most transistors are made from very pure silicon, and some from germanium, but certain other semiconductor materials are sometimes used. A transistor may have only one kind of charge carrier, in a field-effect transistor, or may have two kinds of charge carriers in bipolar junction transistor devices.
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