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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

A

an inlsulator

B

a metal

C

an n type semiconductor

D

a p type semiconlductor

Text Solution

Verified by Experts

The correct Answer is:
D
Holes are more than electron is crystal laltice so it is -type semicondutor.
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MODERN PUBLICATION-SEMICONDUCTOR ELECTRONICS METERIALS DEVICES AND SIMPLE CIRCUITS -COMPETION FILE (MULTIPLE CHOICE QUESTIONS WITH ONLY ONE CORRECT ANSWER)
  1. For a p-type semiconductor, which of the following statements is true?

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  2. The correct booleon operation represented by the circuit diagram dra...

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

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  4. In the circuit shown in the figure, the input voltage V(i) is 20V,V(BE...

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  5. In a p-n junction diode, change in temperature due to heating

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  6. In the combination of the following gates the output Y can be written ...

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  7. A light emitting diode (LED) has a voltage drop of 2V across it and pa...

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

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

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

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

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  12. If a small amount of antimony is added to germanium crystal

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  13. Transfer characteristics vs input volage for a base biased transist...

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  14. C and Si both have same lattice structure, having 4 bonding electrons ...

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  15. The figure shows a logic circuit with two inputs A and B and the outpu...

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  16. In a common emitter (CE) amplifier having a voltage gain G, the transi...

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  17. The ouptu x of the logic circuit will be

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  18. The given graph represents V-I characteristic for a semiconductor dev...

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  19. The barrier potential of a p-n junction depends on : (a) type of semic...

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  20. Consider the juction diode as ideal the value of current flowing th...

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