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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
- Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- A body initially at rest is moving with uniform acceleration a m/s²
- The frequency of an alternating voltage is 50 cycles per second and its amplitude
- A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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