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In a semiconductor diode, reserve bias c...

In a semiconductor diode, reserve bias current is due to drift of free electrons and holes caused by

A

Thermal excitations only

B

Impurity atoms only

C

Both (1) & (2)

D

Neither (1) nor (2)

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The correct Answer is:
A
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -A (Objective Type Question)
  1. In an unbiased p-n junction which of the following is correct?

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

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

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

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

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  6. Zener diode is used for

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

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  8. The materials suitable for making a solar cell is

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

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

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

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  12. In a common emitter transistor circuit, the base current is 40 muA , t...

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  13. In a transistor the base is very lightly doped as compared to the emit...

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  14. A transsitor is operated in CE configuration at V(CC) = 2 V such that ...

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  15. The input resistance of a silicon transistor is 665Omega. Its base cur...

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  16. The relationship between alpha and beta is given by

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  17. Input signal to a common emitter amplifier having a voltage gain of 10...

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  18. In a common base transistor circuit, the current gain is 0.98. On cha...

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  19. For a transistor amplifier power gain and voltage gain are 7.5 and 2.5...

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  20. The input resistance of a common-emitter amplifier is 2 kOmega and a.c...

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