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Figure gives a system of logic gates. Fr...

Figure gives a system of logic gates. From the study of truth table it can be found that no produce a high output `(1)` at `R`, we must have

A

`X=0,Y=1`

B

`X=1,Y=1`

C

`X=1,Y=0`

D

`X=0,Y=0`

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DISHA-SEMICONDUCTOR-physics
  1. The truth-table given below is for which gate? {:("A 0 0 1 ...

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  2. The combination of gates shown below produces

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  3. Figure gives a system of logic gates. From the study of truth table it...

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  4. For a transistor (I(C))/(I(E))=0.96, then current gain for common emit...

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  5. Given below are symbols for some logic gates :- The XOR gate and ...

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  6. Given below are four logic gates symbol (figure). Those for OR, NOR an...

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  7. Assertion: The logic gate NOT can be built using diode. Reason: The ...

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  8. Assertion: The following circuit represents 'OR' gate Reason: For...

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  9. Assertion: De Morgan's theoram bar(A+B)=bar(A).bar(B) may be explained...

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  10. When a semiconductor is heated, its resistance

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  11. The energy band gap of Si is

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  12. The forbidden energy band gap in conductors, semiconductors and insula...

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  13. Let n(p) and n(e) be the number of holes and conduction electrons resp...

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  14. Which statement is correct?

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  15. Wires P and Q have the same resistance at ordinary (room) temperature....

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  16. In extrinsic P and N - type, semiconductor materials, the ratio of the...

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  17. At zero Kelvin a piece of germanium

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  18. Electronical configuration of germenium is 2,8,18 and 4. To make it ex...

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  19. The intrinsic semiconductor becomes an insulator at

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  20. Energy band in solids are a consequence of

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