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Gold is often diffused into silicon PN junction devices to 

 (A) increase the recombination rate (B) reduce the recombination rate (C) make silicon a direct gap semiconductor (D) make silicon semi-metal

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2 Answers

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answered by

Gold is often diffused into silicon PN junction devices to reduce the recombination rate

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answered by
To  increase  the  combinational  rate  at  the  pn  junction

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