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Choose the false statement from the foll...

Choose the false statement from the following.

A

the resistivity of a semiconductor increases with increase in temperature

B

substances with energy gap of the order of 10 eV are insulators

C

in conductors the valence and conduction bands may over lap

D

the conductivity of a semiconductor increases with increases in temperature

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A
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ALLEN-SEMICONDUCTORS-Part-3(Exercise-2)
  1. In the given transistor circuit, the base current is 35 muA. The value...

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  2. In the circuit shown here, the transistor used has a current gain beta...

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  3. Choose the false statement from the following.

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  4. What will be conductivity of pure sillicon crystal at 300 K temp? if e...

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  5. The output of the given logic gate is 1 when inputs A,B and C are such...

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  6. The arrangement shown in figure performs the logic function of a/an….g...

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  7. You are given two circuits as shown in Fig. 14.38, which consist of NA...

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  8. Which of the following expressions is not true ?

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  9. Which of the following relation is valid in Boolean algebra :-

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  10. Given below are four logic gates symbols. NAND, NOR and OR are respect...

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  11. The output Y of the combination of logic gates shown is equal to

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  12. Which of the following relation is valid in Boolean algebra :-

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  13. The output of given logic circuit is

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  14. The following configuration of gate is equivalent to

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  15. To get an output 1 from the circuit shown in the figure, the input mus...

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  16. The circuit shown here is logically equivalent to :-

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  17. Which of the following will have an output of 1 :-

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  18. The logic symbols shown here are logically equivalent to :-

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  19. The combination of the gates shown in the figure produces

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  20. The combination of the gates shown will produce

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