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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 proton is moving in a uniform magnetic field B in a circular path of radius a
- A particle having a mass of 10⁻² kg carries a charge of 5 x 10⁻⁸C
- An A.C source is rated at 220 V, 50 Hz. The time taken for voltage to change
- Which of the following, is a vector quantity?
- If h is the height of the capillary rise and r be the radius of capillary tube,
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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