MHT CET 2024 Physics question

Not in JEE Advanced syllabus

A p-n junction diode cannot be used

(A)as a rectifier
(B)for a converting light energy to electrical energy
(C)for getting light radiation
(D)for increasing the amplitude of an a.c. singnalCorrect

Answer: (D)

Solution

A p-n junction diode conducts mainly in forward bias, so it can rectify an a.c. signal (A). A suitably designed junction under illumination works as a photodiode or solar cell, converting light energy into electrical energy (B). A forward-biased light-emitting diode (LED), which is a p-n junction made of a direct

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Question ID VK-096799