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In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
Options
(a) the potential difference across the p-n junction
(b) the attraction of free electrons of n-region
(c) the higher hole concentration in p-region than that in n-region
(d) the higher concentration of electrons in the n-region than that in the p-region
Correct Answer:
the higher hole concentration in p-region than that in n-region
Explanation:
In p-region of p-n junction holes concentration > electrons concentration and in n-region electron concentration > holes concentration
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- Which of the following will be σ if Y=2.4 η?
- When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An air bubble in a glass slab with refractive index 1.5 (near normal incidence)
- Which of the following will be σ if Y=2.4 η?
- When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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