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In a p-type semiconductor, germanium is doped with which of the following?

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in Physics – Class 12 by (135k points)
In a p-type semiconductor, germanium is doped with which of the following?

(a) Gallium

(b) Copper

(c) Phosphorous

(d) Nitrogen

I got this question during an interview.

I need to ask this question from Extrinsic Semiconductor in portion Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

1 Answer

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Best answer
Right choice is (a) Gallium

Best explanation: Substances such as gallium, boron, and aluminum are all trivalent atoms. These are called acceptor impurities and they produce p-type semiconductors. Therefore, germanium is doped with gallium in a p-type semiconductor.

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