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In the energy band diagram of a material...

In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is:-

A

A p-type semiconductor

B

An n-type semiconductor

C

An insulator

D

A metal

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -A (Objective Type question (One option is correct))
  1. Serious draw back of the semiconductor device is

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

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

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  4. An oscillator is nothing but an amplifier with

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  5. When a n-p-n transistor is used as an amplifier, then

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

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  7. A common emitter amplifier gives an output of 3 V for an input of 0.01...

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

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

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  10. The concentration of impurities in a transistor is

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

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

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  13. Which of the following represents NAND gate ?

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  14. The circuit is equivalent to

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

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  16. A silicon specimen is made into a P-type semiconductor by dopping, on ...

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  17. Consider the junction diode is ideal. The value of current through the...

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  18. Negative feedback

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  19. The current obtained from a simple filterless rectifier is

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  20. In a p-n junction depletion region has a thickness of the order of

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