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At absolute zero , Si acts as...

At absolute zero , Si acts as

A

metal

B

semiconductor

C

insulator

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
At absolute zero. Si acts as an insulator due to the absence of free electrons in the conduction band.
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NCERT FINGERTIPS ENGLISH-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -Assertion And Reason
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  2. Assertion: If there is some gap between the conduction band and the va...

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  3. Assertion : The electrons in the conduction band have higher energy th...

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  4. Assertion : In a semiconductor, the conduction electrons have a higher...

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  5. Assertion: The probability of electrons to be found in the conduction ...

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  6. Assertion: The conductivity of an intrinsic semiconductor depends on i...

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  7. Assertion: The conductivity of an intrinsic semiconductor depends on i...

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  8. Assertion: Thickness of depletion layer is fixed in all semiconductor ...

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  9. Assertion: Zener diode works on aa principle of of breakdown voltage. ...

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  10. Assertion : Zener diode is used to obtain voltage regulation Reason ...

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  11. Assertion: The semiconductor used for fabrication of visible LEDs must...

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  12. Assertion : In a transistor the base is made thin. Reason: A thin b...

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  13. Assertion : Two p-n junction diodes placed back to back, will work as ...

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  16. Assertion: This circuit acts as OR Gate. Reason: Truth table for...

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