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In a p-n junction, the depletion region ...

In a p-n junction, the depletion region is 400nm wide and and electric field of `5xx10^5Vm_(-1)`exists in it (a)Find the height of the potential barrier, (b)What should be the minimum kinetic energy of a conduction electron which can diffuse from the n-side to the p-side?

A

0.1 eV

B

0.3 eV

C

0.2 eV

D

0.4 eV

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SEMICONDUCTOR DEVICES-EXERCISE -II (P-N JUNCTION DIODE)
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  2. Calculate the value of R, if the maximum value of forward current of t...

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  3. In a p-n junction, the depletion region is 400nm wide and and electric...

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  4. In a p-n junction, a potential barrier of 250 MeV exists across the ju...

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  5. When a p-n junction is reverse-biased,the current becomes almost const...

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  6. Find the current through the resistance in the circuits shown in figur...

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  7. Find the current through the resistance in the circuit shown in figure...

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  8. Currents in each of the following circuits, A and B respectively are

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  9. The potential difference across the diode is

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  10. The current flow through the resistance in the given circuit is

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  11. The current flow through the resistance in the given circuit is

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  12. The potential barrier of a P-N junction diode is 50 meV, When an elect...

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  13. A full-wave rectifier is used to convert 'n'Hz a.c into d.c, then the ...

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  14. The applied a.c power to a half-wave rectifier is 200W. The d.c power ...

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  15. A full wave p-n junction diode rectifier uses a load resistance of 130...

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  16. A p -n junction (D) shown in the figure can act as a rectifier. An alt...

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  17. A full-wave p-n diode rectifier uses a load resistor of 1500 Omega . N...

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  18. If VA and VB, denote potentials of A and B, then the equivalent resist...

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  19. In a silicon diode, the reverse current increases from 10 mu A to 20 ...

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  20. In the figure shown, the currents through the series resistance and lo...

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