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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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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
- A total charge of 5µC is distributed uniformly on the surface of the thin walled
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- The slope of the graph showing the variation of potential difference V on X-axis
- A parallel plate capacitor is charged and then isolated. The effect of increasing
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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