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In a semiconducting material the mobili...

In a semiconducting material the mobilities of electrons and holes are `mu_(e)` and `mu_(h)` respectively. Which of the following is true ?

A

`mu_(e)gt mu_(h)`

B

`mu_(e)lt mu_(h)`

C

`mu_(e)= mu_(h)`

D

`mu_(e)lt0, mu_(h)gt0`

Text Solution

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The correct Answer is:
A
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CHHAYA PUBLICATION-SEMICONDUCTORS AND ELECTRONICS -EXERCISE (Multiple Choice Questions )
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  2. For in intrinsic semiconductor the energy gap of forbidden zone is app...

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  3. In a semiconducting material the mobilities of electrons and holes a...

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  4. In some substance charge can flow at ordinary temperature but not at v...

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  5. If a small amount of antimony is added to germanium crystal

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  6. Pure Si at 500 K has equal number of electron (n(e)) and hole (n(h)) c...

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  7. If a p-n junction diode is not connected in a circuit then

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  8. In the circuit shown in Fig 1.54 the forward bias resistances of both ...

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  9. When a p-n diode is reverse biased then

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  10. The current through the given circuit of Fig .1.56.

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  11. The impurity atoms that should be added to germenium to make it n-type...

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  12. The circuit has two oppositely connected ideal diodes in parallel. Wha...

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  13. When a p-n junction is reverse biased then

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  14. A Zener diode having breakdown voltage equal to 15V,is used in a volta...

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  15. If the rate of doping in the emitter base and colletor of a transistor...

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