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ECE · Q270

Electronic Devices And Circuits

Engineering and GATE · ECE · question 270

Q270

A good ohmic contact on P-type semiconductor chip is formed by introducing

A.
gold as an impurity below the contact
B.
a high concentration of donors below the contact
Answer
C.
a high concentration of acceptors below the contact
D.
a thin insulator layer between the metal and semiconductor

Answer: Option B

Solution

Answer: Option B
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