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A semiconductor of Ge can be made p - ty...

A semiconductor of Ge can be made p - type by adding

A

Trivalent impurity

B

Tetravalent

C

Pentavalent

D

Divalent impurity

Text Solution

Verified by Experts

The correct Answer is:
A
p-type semiconductors are made by adding impurity of previous group elements. For making p-type semiconductor of Ge (`14^(th)` group), it is to be doped with trivalent impurity.
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KUMAR PRAKASHAN-STATES OF MATTER -SECTION - C MULIPLE CHOICE QUESTIONS (MCQs)
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  2. Which of the following metal oxide is antiferromagnetic in nature ?

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  3. A semiconductor of Ge can be made p - type by adding

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  4. To get n-type doped semiconductor, impurity to be added to silicon sho...

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  5. Metallic Iusture is explained by

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  6. Monoclinic crystal has dimension

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  7. A crystalline solid have

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  8. Which of the following statement is not true about NaCl structure ?

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  9. In a solid lattice, cation is absent from lattice site and present at ...

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  10. The ability of a given substance to assume two or more crystalline str...

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  11. Schottky defect generally appears in

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  12. How many number of atoms are present in fcc unit cell ?

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  13. In an antifluorite structure, cations occupy

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  14. Empty space in ccp lattice is

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  15. The pyknometer density of NaCl crystal is 2.165xx10^(3)kg m^(-3) while...

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  16. The correct statement(s) regarding defects in solids is (are)

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  17. If a gas expands at constant temperature, it indicates that :

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  18. The pressure exerted by 6.0 g of methane gas in a 0.03 m^(3) vessel at...

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  19. Three moles of an ideal gas expanded spontaneously into vacuum. The wo...

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  20. Which of the following is correct option for free expansion of an idea...

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