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Distinguish between n-type and p-type se...

Distinguish between n-type and p-type semiconductors on the basis of energy-band diagrams. Explain the process of conduction in both type of materials.

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PRADEEP-ELECTRONIC DEVICES-Exercise
  1. What is an extrinsic semiconductor? Discuss the working of the various...

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  2. Distinguish between (i) Intrinsic and Extrinsic semiconductor and (i...

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  3. Distinguish between n-type and p-type semiconductors on the basis of e...

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  4. Draw a circuit diagram of a full-wave rectifier. Explain its working p...

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  5. Explain (i) forward biasing (ii) reverse biasing of a P-N junction dio...

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  6. What is a p-n junction diode? Define the term 'dynamic resistance' for...

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  7. What do you understand by decimal number system and binary number syst...

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  8. What do you understand by logic gate? Why is it so called? State the t...

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  9. Describe (i) NAND gate, (ii) NOR gate and (iii) XOR gate.

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  10. Explain how an OR gate may be constructed with AND and NOT gates. A lo...

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  11. A semiconductor has equal electron and hole concentration of 6xx10^(8)...

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  12. In a pure semiconductor, the number of conduction electrons is 6xx10^(...

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  13. A p-type semiconductor has acceptor energy level 53meV above the valen...

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  14. The electrical conductivity of a semiconductor increases when electrom...

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  15. A doped semiconductor has impurity levels 20 meV below the conduction ...

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  16. Pure Si at 500K has equal number of electron (n(e)) and hole (n(h)) co...

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  17. Find the number density of impurity atoms that must be added to a pure...

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  18. Determine the number density of donor atoms which have to be added to ...

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  19. On doping germanium with donor atoms of density 10^(17)cm^(-3), find i...

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  20. The energy of a photon of sodium light wavelength 5890 Å equals the en...

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