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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
- A short circuited coil is placed in a magnetic field varying with time. Electrical
- Time period of oscillation of a magnet is 2 sec. When it is remagnetised
- The pair of quantities having same dimensions is
- A solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis
- A voltmeter of range 2 V and resistance 300Ω cannot be converted into ammeter
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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