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The electrical conductivity of pure germ...

The electrical conductivity of pure germanium can be increased by

A

Only a and b are correct

B

Only b and c are correct

C

Only a, b and c are correct

D

All are correct

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The correct Answer is:
D
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AAKASH SERIES-SEMICONDUCTOR DEVICES-EXERCISE -I (MORE THAN ONE OPTION TYPE QUESTIONS)
  1. Holes are charge carries in A) Intrinsic semiconductors B) Ionic solid...

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  2. Choose the correct statement of the following (A): In P-type semicondu...

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  3. Which of the following statements is true about semiconductors ?

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  4. In a p -n junction, a) new holes and conduction electrons are produced...

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  5. The electrical conductivity of pure germanium can be increased by

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  6. Choose the correct statement of the following (A): In P-type semicondu...

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  7. Statement(A) : In P-type semi conductor Fermi - energy level lies near...

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  8. Choose the type of semiconductor from the following options for which ...

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  9. When a potential difference is applied across the current passing thro...

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  10. Which of the following statements concerning depletion region of an un...

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  11. Consider the following statements A and B and identify the correct cho...

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  12. Consider the following statements and identify the correct answer. a) ...

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  13. Zener diode when used as a voltage regulator is connected a) in forwar...

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  14. Which of the following is a correct statement? A: A zener diode is mai...

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  15. Consider the following statements A and B and identify the correct ans...

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  16. Consider the following statements A and B and identify the correct ans...

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  17. Transistor can be used as :-

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  18. In n-p-n transistor, in CE configuration a) the emitter is heavily dop...

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  19. A transistor is used in the common emitter mode as an amplifier then :...

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  20. What will be input of A and B for the Boolean expression bar((A+B)).ba...

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