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Which one of the following bonds produce...

Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point?

A

Covalent bonding

B

Metallic bonding

C

Van der Waal's bonding

D

Ionic bonding

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The correct Answer is:
B
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
  1. The device that can act as a complete electronic circuit is

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  2. Which of the following statement is False?

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  3. Which one of the following bonds produces a solid that reflects light ...

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  4. For transistor action which of the following statement are correct (...

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  5. A p-n photodiode is fabricated from a semiconductor with a band gap of...

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

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

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

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

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

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

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

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

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  14. A forward biased diode is

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

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  16. Zener diode is used for

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

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  18. Choose the only false statement from the following :

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

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

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