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The impurity atoms with which pure silic...

The impurity atoms with which pure silicon should be doped to make a p-type semiconductors are those of

A

phosphorous

B

boron

C

antimony

D

aluminium

Text Solution

Verified by Experts

The correct Answer is:
B, D
Boron and Aluminium are trivalent in nature. So, they should be added in pure silicon to make p-type semiconductors.
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PRADEEP-ELECTRONIC DEVICES-Exercise
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  2. Which of the following is/are correct equations in Boolean algebra?

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  3. The impurity atoms with which pure silicon should be doped to make a p...

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  4. A transistor is connected in common emitter mode. The collector supply...

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  5. The decimal equivalent of the binary number (11010.101)(2) is

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  6. The distinction between conductors, insulators and semiconductors is l...

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  7. For an intrinsic semiconductor, the statement//statements that hold go...

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  8. Which of the following statements concerning the depletion zone of an ...

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  9. The light emitting diode (LED),

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  10. In a p-n junction with open ends,

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  11. In boolean algebra, if A=B=1, then the value of (A.B+A) is

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  12. In boolean algebra, if A=1 and B=0 then the value of A+barB is

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  13. A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is...

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  14. A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is...

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  15. A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is...

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  16. A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is...

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  17. When a p-type semiconductor is brought into a close contact with n-typ...

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  18. When a p-type semiconductor is brought into a close contact with n-typ...

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  19. A PN junction diode when forward biased has a drop of 0.5 V which is a...

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  20. The diode used in the circuit shown in the figure has a constant volta...

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