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which of the following is true about...

which of the following is true about the change the charge acquired by p- type semiconductors ?

A

positive

B

neutral

C

negative

D

depends on concentration of p impurity

Text Solution

Verified by Experts

The correct Answer is:
b
All p-type semiconductors are neutral.p only indicates that holes move like positive charge , i.e., towards cathode.
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PRADEEP-STATES OF MATTER: SOLID MATTER-NCERT EXEMPLAR PROBLEMS (MULTIPLE CHOICE- I)
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  2. Schottky defect is observed in crystals when ……………. .

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  3. which of the following is true about the change the charge acq...

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  4. To get a n- type semiconductor from silicon , it should be doped...

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  6. Which of the following point defects are shown by AgBr (s) crys...

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  7. In which pair most efficient packing is present?

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  8. The percentage of empty space in a body centred cubic arrangement is :

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  9. which of the following statemets is not true about the hexagona...

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  10. in which of the following structures coordination number for cati...

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  11. What is the coordination number in a square close packed structures in...

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  12. which kind of defects are introduced by doping ?

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  13. silicon doped with electron rich impurity forms ………. .

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  14. Which of the following statements is not true ?

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  15. which of the following is not true about the ionic solids ?

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