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Question

Which of the following statement is true for a

wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.

A The photodiode can detect signal once the energy of signal is increased.

B The energy of a signal of given wavelength is more than the specified band gap

C The photodiode can easily detect signal

D The photodiode cannot detect signal

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