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Stopping Potential vs Frequency

To obtain p-t...

Question

To obtain p-type extrinsic semi-conductor, the impurity element to be added to germanium should be valency___.

A

2

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B

3

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C

4

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D

5

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Solution

The correct option is B 3
To get p-type semiconductor, trivalent impurity should be added to germanium.

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