JEE Main 2025 — Semiconductors Question with Solution
JEE Main 2025 (24 Jan Shift 1)
Question
Consider the following statements:
A. The junction area of solar cell is made very narrow compared to a photo diode.
B. Solar cells are not connected with any external bias.
C. LED is made of lightly doped p-n junction.
D. Increase of forward current results in continuous increase of LED light intensity.
E. LEDs have to be connected in forward bias for emission of light.
Choose the correct answer from the options given below:
Choose an option
Show full solutionCorrect option: A
Correct answer
AB, E Only
Step-by-step explanation
LED is highly doped, with different materials for different colours.
Increasing forward current only increases light intensity until a certain maximum.
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This is a previous-year question from JEE Main 2025, covering the Semiconductors chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.