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The electrical conductivity of a semicon...

The electrical conductivity of a semiconductor increases when electromagnatic radiation of wavelength shorter than 2480 nm is incident on it. The band gap (in eV) for the semiconductor is `[hc=1242 eV nm]`

A

1.1 eV

B

2.5 eV

C

0.5 eV

D

0.7 eV

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The correct Answer is:
C
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RESONANCE-SEMICONDUCTORS-Exercise 3
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  16. The output of an OR gate is connected to both the inputs of a NAND gat...

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  17. Truth table for system of four NAND gates as shown in figure is : .

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  19. The forward biased diode connection is

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

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