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In the depletion region of an unbiased p...

In the depletion region of an unbiased p-n junction diode there are

A

Only electrons

B

Only fixed ions

C

Only holes

D

Both electrons and holes

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The correct Answer is:
B
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AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -A (Objective Type question (One option is correct))
  1. A p-n photodiode is made of a material with a band gap of 2 e V. The m...

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  2. Zener breakdown takes place if

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  3. In the depletion region of an unbiased p-n junction diode there are

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  4. Function of rectifier is

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  5. In a p-n junction, solar cell, the value of photoelectromotive force p...

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  6. Serious draw back of the semiconductor device is

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  7. The reason of current flow in P-N junction forward biase is

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  8. In the energy band diagram of a material shown below, the open circles...

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  9. An oscillator is nothing but an amplifier with

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  10. When n-p-n transistor is used as an amplifier

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  11. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

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  12. a common emitter amplifier gives an output of 3V for an input of 0.01 ...

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  13. In a common emitter amplifier, the phase difference between the input ...

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  14. In a common emitter amplifier the input signal is applied across

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  15. The concentration of impurities in a transistor is

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  16. In a transistor, the collector current is always · less then the emitt...

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  17. The minimum potential difference between the base and emitter required...

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  18. Which of the following represents NAND gate ?

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  19. The circuit is equivalent to

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  20. The output y, when all three inputs are first high and then low, will ...

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