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a semiconductorX is made by doping a ger...

a semiconductorX is made by doping a germanium crytsal with arsenic (z=33). A second semiconductor Y is made by doping germanium with indium (z=49) . The two are joined end to end and connected to a battery as shown in fiure. Which of the foll. statement is correct?

A

X is p-type , Y is n-type and the juncition is forward biased

B

X is n-type , Y is p-type and the juncition is forward biased

C

X is p-type , Y is n-type and the juncition is reverse biased

D

X is n-type , Y is p-type and the juncition is reverse biased

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