Semiconductor Electronics – CBSE Class 12 Previous Year Questions (2023–2026)
All 12 CBSE Class 12 previous-year questions from Semiconductor Electronics (Physics), 2023–2026, taken from 5 papers. Practise them together in one test with the official marking and answer key, then review every answer.
▶ Practise all 12 questionsAll CBSE Class 12 chapters
Semiconductor Electronics questions by paper
Sample questions
- CBSE Class 12 Physics Board 2026 (Set 55/1/1)
In an unbiased junction at equilibrium which of the following statements is true 1 A Diffusion current is zero but drift current exists Diffusion current exists but… - CBSE Class 12 Physics Board 2025 (Set 55/1/1)
When a junction diode is forward biased 1 A the barrier height and the depletion layer width both increase the barrier height increases and the depletion layer width… - CBSE Class 12 Physics Board 2025 (Set 55/1/1)
Note Question numbers 13 to 16 are Assertion A and Reason type questions Two statements are given one labelled Assertion A and the other labelled Reason Select the… - CBSE Class 12 Physics Board 2024 (Set 55/1/1)
Geis doped with As Due to doping A the structure of Ge lattice is distorted the number of conduction electrons increases the number of holes increases the number of…
Question text shown from the scanned paper; open the test to see each question exactly as printed.
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