Sun September 16, 2012 By: Rohit R

When two semiconductors of P and N type are brought in contact, they form a P-N junction which acts like a _________

Expert Reply
Wed September 19, 2012
Actually the statement is very wrong.
It might have been there because a pn junction diode is used in a rectifier which is used to rectify the alternating current to direct current.
It does so because it has a higher resistance in one direction as compared to the other direction.
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