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In a semiconductor,...

In a semiconductor,

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 ENGLISH-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 a semiconductor,

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

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  5. An n-type semi- conductor 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. If N(A) is number density of acceptor atoms added and N(D) is number...

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

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  10. With an ac input from 50 Hz power line, the ripple frequency is

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

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

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

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  14. Two identical P-N junctions, may be connected in series with a battery...

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  15. Zener diode is used for:-

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  16. In figure the input is across the terminals A and C and the output is ...

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

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  18. The materials suitable for making a solar cell is

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

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  20. In a common base amplifier the phase difference the input signal volta...

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