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Semiconductors & Electronics
JEE Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
In an n-type semiconductor, the majority charge carriers are:
- A. Holes
- B. Electrons
- C. Protons
- D. Ions
Q2
The depletion region in a p-n junction is formed due to:
- A. External voltage
- B. Diffusion of charge carriers
- C. Light absorption
- D. Magnetic field
Q3
A Zener diode is primarily used for:
- A. Amplification
- B. Voltage regulation
- C. Rectification
- D. Oscillation
Q4
The output of an AND gate is 1 when:
- A. Any input is 1
- B. All inputs are 1
- C. All inputs are 0
- D. Inputs are different
Q5
In a common-emitter transistor amplifier, the input is applied between:
- A. Collector and emitter
- B. Base and emitter
- C. Base and collector
- D. Any two terminals
Q6
The energy gap in a conductor is:
- A. Large (> 3 eV)
- B. Zero or negligible
- C. About 1 eV
- D. Exactly 0.7 eV
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