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In semiconductor has...

In semiconductor has

A

An infinite resistance at `0^(@)` C

B

A finite resistance which does not depend upon temperature

C

A finite resistance which increases with temperature

D

A finite resistance which decreases with temperature

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The correct Answer is:
D
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -A (Objective Type Question)
  1. The impurity atoms with which pure silicon should be doped to make a p...

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  2. In semiconductors, which one of the following relations is correct at ...

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  3. In semiconductor has

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  4. The rate of recombinationor generation are governed by the law(s) of

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  5. n-type semiconductor is

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  6. Solids having highest energy level partially filled with electrons are

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  7. The energy gap for an insulator may be

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  8. In an intrinsic semiconductor, the density of conduction electrons is ...

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  9. If N(A) is number density of acceptor atoms added and N(D) is number...

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  10. In an unbiased p-n junction which of the following is correct?

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  11. In a full wave rectifier circuit operating from 50 Hz mains frequency ...

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  12. In a semiconductor diode, reserve bias current is due to drift of free...

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  13. The value of form factor in case of half wave rectifier is

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  14. In a semiconductor diode p-side is earthed and N-side is applied a pot...

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  15. Zener diode is used for

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  16. A junction diode , in which one of the p or n - sections is made very ...

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  17. The materials suitable for making a solar cell is

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  18. In which of the configuration of a transistor , the power gain is high...

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  19. In a common-base amplifier, the phase difference between the input sig...

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  20. The current transfer ratio beta of a transistor is 50. The input resis...

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