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Which of the following statements is cor...

Which of the following statements is correct ?

A

when forward bias is applied on a p-n junction then current does not flow in the circuit

B

rectification of alternating current can not be achieved by p-n junction

C

when reverse bias is applied on a p-n junction then it acts as a conductor

D

some potential gap developed across the p-n junction when it is formed

Text Solution

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The correct Answer is:
D
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MOTION-SEMI CONDUCTOR AND LOGIC GATES-EXERCISE 2
  1. A doped semiconductor has impurity levels 32 meV below the conduction ...

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  2. The mean free path of a conduction electron in a metal is 5 xx 10^(-8)...

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  3. Which of the following statements is correct ?

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

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

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

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

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  8. Which of the following statements is wrong ?

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

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

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

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

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

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  14. Determine current I in the configuration –

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

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

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

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

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

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  20. In a p-n junction

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