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Describe (i) NAND gate, (ii) NOR gate an...

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

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NAND gate is-

How many NAND gates are required to realise (i) OR gates and (ii) AND gate.

Two signals A, B as given below are applied to (i) AND (ii) NOR and (iii) NAND gates. Draw the output wave form in each case.

NAND gate is the combination of

A NAND gate followed by a NOT gate is :-

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PRADEEP-ELECTRONIC DEVICES-Exercise
  1. What do you understand by decimal number system and binary number syst...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. Calculate the number of states per cubic metre of sodium in 3s band. T...

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  16. Find the current produced at room temperature in a pure germanium plat...

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  17. If resistivity of pure silicon is 3000 Omega meter, and the electron a...

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  18. The V-I characteristics of a silicon diode is given in Fig .Calculate ...

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  19. A p-n junction is fabricated from a semiconductor with band gap of 3.0...

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  20. The width of depletion region in a P-N junction diode is 500 nm and an...

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