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ECE · Q70

Electronic Devices And Circuits

Engineering and GATE · ECE · question 70

Q70

The band gap energies for silicon and germanium photodiodes are 1.1 eV and 0.67 eV respectively, their cutoff wavelength respectively would be:

A.
1127.27 nm, 1850.75 nm
Answer
B.
1850.27 nm, 2167.91 nm
C.
456.12 nm, 1127.27 nm
D.
1315.45 nm, 1850.75 nm

Answer: Option A

Solution

Answer: Option A
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