Home Physics Semiconductor Electronics P -N Junction and Semiconductor Diode / Semiconductor Devices During P-N junction formation when the elect…
Physics Semiconductor Electronics P -N Junction and Semiconductor Diode / Semiconductor Devices MCQ (Single Correct)

During P-N junction formation when the electron and holes stops moving from P to N and N to P, then

A
There is increase in number of +ve and –ve ions at junction
B
There is increase in number of electrons at junction
C
There is increase in number of holes at junction
D
There is increase in number of holes and electrons at junction

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The correct answer is:
A

During formation of a p-n junction, electrons and holes diffuse and recombine near the junction, leaving behind immobile positive and negative ions in the depletion region.

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