JEE Main 10 April 2015 Paper

Section: Physics

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Question : 29 of 90

Marks: +1, -0

In an unbiased n-p junction electrons diffuse from n - region to p - region because :

[Main 10 April 2015]

holes in p - region attract them
electrons travel across the junction due to potential difference
electron concentration in n - region is more as compared to that in p - region
only electrons move from n to pregion and not the vice - versa

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