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Carbon, silicon and germanium have four ...

Carbon, silicon and germanium have four valence electrons each. These are characterised by valence and conduction bands separated by energy band gap respectively equal to `(E_g)_C, (E_g)_(Si), and (E_g)_(Ge)`. Which of the following statements is true?

A

`(E_(g))_(C)lt(E_(g))_(ge)`

B

`(E_(g))_(c)gt(E_(g))_(si)`

C

`(E_(g))_(c)=(E_(g))_(si)`

D

`(E_(g))_(c)lt(E_(g))_(si)`

Text Solution

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The correct Answer is:
B
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RESONANCE ENGLISH-SEMICONDUCTORS-Exercise 3
  1. The output of OR gate is 1 :-

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  2. Zener diode is used as

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  3. Carbon, silicon and germanium have four valence electrons each. These ...

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  4. Application of forward bias to p-n junction

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  5. A transistor -oscillator using a resonant circuit with an inductor L (...

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  6. A transistor is operated in common emitter configuration at constant c...

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  7. A forward biased diode is

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  8. A photocell employs photoelectric effect to convert.

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  9. The radius of germanium (Ge) nuclide is measured to be twice the radiu...

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  10. The energy gap of silicon is 1.14 eV . What is the maximum wavelength ...

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  11. In the following circuit, the output Y for all possible inputs A and B...

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

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  13. A common emiiter amplifier has voltage gain 50 and current gain is 25....

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  14. Draw the truth table for the logic gate arrangement shown in the figur...

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  15. A p-n photodiode is made of a material with a band gap of 2.0 eV. The ...

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  16. The circuit is equivalent to

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  17. (a) For given transistor circuit, the base current is 10muA and the co...

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  18. A p-n Photodiode is fabricated from a semiconductor with a band gap of...

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  19. The symbolic representation of four logic gates (i) The logic sym...

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  20. (a) Draw the circuit diagram of reversed bias p-n junction. (b). Dra...

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