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The invention of the p-n junction in 1939 is usually credited to:
AJagadish Chandra Bose
BThomas Alva Edison
CJohn Ambrose Fleming
DRussell Shoemaker Ohl
Answer & Solution
Correct answer: D. Russell Shoemaker Ohl
Russell Ohl of Bell Laboratories is usually named as the inventor of the p-n junction.
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