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In the energy band diagram of a material...

In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is:-

A

An n-type semiconductor

B

A p-type semiconductor

C

An insulator

D

A metal

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
  1. The circuit

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

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  3. In the energy band diagram of a material shown below, the open circles...

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

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  5. In the following circuit, the output Y for all possible inputs A and B...

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  6. For a cubic crystal structure which one of the following relation indi...

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

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  8. A forward biased diode is

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  9. The following figure shows a logic gate circuit with two inputs A and ...

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  10. Application of forward bias to p-n junction

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  11. Zener diode is used for:-

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  12. Carbon, silicon and germanium have four valence electrons each. These ...

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  13. Choose the false statement from the following.

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

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

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  16. In semiconductors at a room temperature

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

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

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

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

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