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Sodium has body centred packing. Distanc...

Sodium has body centred packing. Distance between two nearest atoms is `3.7 Å`. The lattice parameter is

A

`4.3 A`

B

`3.0 A`

C

`8.6 A`

D

`6.8 A`

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The correct Answer is:
A
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
  1. A p-n photodiode is fabricated from a semiconductor with a band gap of...

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  2. A transistor is operated in common emitter configuration at V(c)=2 V s...

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  3. Sodium has body centred packing. Distance between two nearest atoms is...

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  4. If the lattice parameter for a crystalline structure is 3.6Å, then the...

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  5. The voltage gain of an amplifier with 9% negative feedback is 10. The ...

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  6. A p-n photodiode is made of a material with a band gap of 2.0 eV. The ...

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  7. A common emitter amplifier has a voltage gain of 50, an input impedanc...

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  8. For a cubic crystal structure which one of the following relations ind...

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  9. A transistor is operated in common emitter configuration at constant c...

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  10. A forward biased diode is

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  11. Application of a forward biase to a p-n junction:

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  12. Zener diode is used for

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  13. Carbon, silicon and germanium atoms have four valence electrons each. ...

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  14. Choose the only false statement from the following :

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  15. Copper has face centred cubic (fc c) lattice with interatomic spacing ...

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

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  17. In semiconductors at a room temperature

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  18. In good conductors of electricity, the type of bonding that exists is

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

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

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