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The mobility of free electrons is greate...

The mobility of free electrons is greater then that of free holes because

A

they are light

B

they carry negative charge

C

they mutually colllide less

D

they require low energy to continue their motion

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The correct Answer is:
A
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DISHA PUBLICATION-SEMICONDUCTOR ELECTRONICS : METERIALS, DEVICES AND SIMPLE CIRCUITS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
  1. A solid which is not transperent to visible light and whose conductivi...

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  2. The electrical conductivity of pure germanium can be increased by

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  3. The mobility of free electrons is greater then that of free holes beca...

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  4. If the two ends of a p-n junction are joined by a wire ,

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  5. The diffusion current in a p-n junction is

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  6. Lets npand ne be the number of holes and conduction electrons in an ex...

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  7. In the half wave rectifier circuit operating from 50 Hz mains frequenc...

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  8. In a half wave rectifier, the r.m.s value of the A.C. component of the...

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  9. The average value of output direct current in a full wave rectifier is

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  10. Carbon, silicon and germanium atoms have four valence electrons each. ...

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  11. If an ideal junction diode is connected as shown, then the value of th...

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  12. Which is the correct diagram of a half-wave rectifier

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  13. In a p-type semiconductor the acceptor level is situated 60 m eV above...

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  14. For bidden gap for insulators is

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  15. Copper, a monovalent, has molar mass 63.54 g/mol and density 8.96 g//c...

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  16. An LED is constructed from a p-n junction based on a certain Ga-As-P s...

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  17. In a photodiode,the conductivity increases when the material is expose...

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  18. The energy gap of silicon is 1.14 eV. Find the maximum wavelenth at wh...

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  19. On doping germanium with donor atoms of density 10^(17) cm^(-3), find ...

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  20. The ratio of electron and hole currents in a semiconductor is 7/4 and ...

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