Which one among the following components is used as an amplifying device?
A. Transformer
B. Diode
C. Capacitor
D. Transistor
Answer: Option D
This Question Belongs to Physics GK Chapter Wise >> Electronics GK
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B. silicon
C. silica
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A. Silicon
B. Germanium
C. Quartz
D. Gallium arsenide
. . . . . . . . was later discovered and replaced with silicon.
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B. Scandium
C. Germanium
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