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In semiconductor the concentrations of e...

In semiconductor the concentrations of electron and holes are `8xx10^(18)//m^(3)` and `5xx10^(18)//m` respectively. If the mobilities of electrons and hole are `2.3 m^(2)//`volt-sec and `0.01m^(2)//` volt-sec respectively, then semicondutor is

A

N-type and its resistivity is 0.34 ohm-metre

B

P-type and its resistivity is 0.034 ohm-metre

C

N-type and its resistivity is 0.034 ohm-metre

D

P-type and its resistivity is 3.40 ohm-metre

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The correct Answer is:
A
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MOTION-SEMI CONDUCTOR AND LOGIC GATES-EXERCISE 2
  1. The mean free path of a conduction electron in a metal is 5 xx 10^(-8)...

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  2. Which of the following statements is correct ?

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  3. In semiconductor the concentrations of electron and holes are 8xx10^(1...

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  4. The current through an ideal PN junction shown in the following circui...

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  5. Two identical p-n junctions may be connected in series in which a batt...

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  6. In the figure an A.C of rms voltage 200 volt is appled to the circuit ...

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  7. Which of the following statements is wrong ?

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  8. If the following input signal is sent through a P-N junction diode, th...

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  9. The value of current in the following diagram will be –

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  10. In which of the following figure the junction diode is reverse biased ...

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  11. Two identical capacitors A and B are charged to the same potential V a...

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  12. In the circuit shown in figure, Voltage V0 is–

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  13. Determine current I in the configuration –

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  14. In the given circuit V(01) " and " V(02) are -

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  15. A cube of germanium is placed between the poles of a magnet and a volt...

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  16. A full wave rectifier circuit along with the output is shown in the fo...

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  17. In the given figure potential difference between A and B is -

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  18. In figure the current supplied by the battery is -

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  19. In a p-n junction

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  20. The temperature coefficient of resistance of a semiconductor

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