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Copper has face-centered cubic (fcc) lat...

Copper has face-centered cubic (fcc) lattice with interatomic spacing equal to `2.54 Å`. The value of lattice constant for this lattice is

A

`1.27 A`

B

`5.08 A`

C

`2.54 A`

D

`3.59 A`

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
  1. Carbon, silicon and germanium have four valence electrons each. These ...

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  2. Choose the false statement from the following.

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  3. Copper has face-centered cubic (fcc) lattice with interatomic spacing ...

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  4. The cations and anions are arranged n alternate form in:

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  5. In semiconductors at a room temperature

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  6. In good conductors of electricity the type of bonding that exist is

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  7. In an insulator, the forbidden energy gap between the valence band and...

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  8. In a p-n junction depletion region has a thickness of the order of

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  9. Pure Si at 300 K has equal electron (n(e)) and hole (n(h)) concentrati...

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  10. In a reverse biased p-n junction, when the applied bias voltages is eq...

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  11. In the case of forward biasing of PN-junction, which one of the follow...

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  12. When arsenic is added as an impurity to silicon, the resulting materia...

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  13. To obtain a p-type germanium semiconductor, it must be doped with

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  14. The cause of the potential barrier in a p-n diode is

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  15. A semiconducting device is connected in a series in circuit with a bat...

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  16. p-n junction diode can be used as

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  17. In p-type semiconductor, the major charge carriers are:

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  18. In forward bias the width of depletion layer in a p-n junction diode

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  19. Depletion layer consists of

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  20. In a junction diode, the holes are due to

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