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n-type semiconductor is...

n-type semiconductor is

A

`-` vely charged

B

`+` vely charged

C

Either - vely or + vely charged

D

Neutral

Text Solution

Verified by Experts

The correct Answer is:
D
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Germanium has been doped with impurity as shown in I, II, III and IV and based as it statements A. n-type semiconductor is formed in I and III B. p-type semiconductor is formed in II and IV C. P-type semiconductor is formed in II and IV D. p-type semiconductor is formed in I and III Select the correct statement(s).

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AAKASH INSTITUTE ENGLISH-THE SOLID STATE -EXERCISE
  1. The number of tetrahedral voids present on each body diagonal ccp unit...

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  2. Octahedral void at edge center in ccp arrangement is equally distribut...

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  3. Total number of octahedral voids present per unit cell of ccp unit cel...

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  4. The co-ordination number in 3D-hexagonal close packing is

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  5. The efficiency of packing in simple cubic unit cell is

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  6. 'A' has fcc arrangement, 'B' is present in 2//3^(rd) of tetrahedral vo...

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  7. Gold crystallises in ccp structure. The number of voids present in 197...

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  8. The correct relation for radius of atom and edge - length in case of f...

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  9. The type of void present at the centre of the ccp unit cell is

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  10. The ratio of atoms present per unit cell in bcc to that present in fcc...

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  11. Stoichiometric defect is also known as

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  12. Which one of the following compounds can show Frenkel defect ?

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  13. In NaCl there are schottky pairs per cm^(3) at room temperature

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  14. Which of the following compounds is likely to show both Frenkel a...

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  15. The anionic sites occupied by electrons are called

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  16. The solids which are good conductor of electricity should have conduct...

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  17. Identify the antiferromagnetic substance

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  18. n-type semiconductor is

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  19. Which of the following substance is diamagnetic ?

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  20. Metal excess defect arises due to

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