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Physics - Semiconductors

Practise 33 MHT-CET (PCB) previous year questions on Semiconductors, compiled from papers in 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHT-CET (PCB) tests.

Semiconductors has been asked in 1 of the 1 years of MHT-CET (PCB) papers analysed (2026), with 33 questions in all. 79% of them were easy, 21% moderate and 0% tough. Most of its questions came from 2026, with 33 questions that year. In 2026 it had 33 questions across 11 papers, about 3 per paper.

The chapter's 7 topics are not weighted equally: Logic gates (9 questions, 27%), Special purpose diodes (6 questions, 18%), and Semiconductors (5 questions, 15%) have been asked the most.

  1. 1For an n-type semiconductor, the relation between the number density ' ' and ' ' is26 Apr, 2026 (M)Semiconductors
  2. 2Out of the following what is used to detect the intensity of light ?26 Apr, 2026 (M)Special purpose diodes
  3. 3For two inputs A and B and output Y, the Boolean expression for NOR gate is26 Apr, 2026 (M)Logic gates
  4. 4A full-wave rectifier provides a DC output voltage of . If the root mean square (RMS) value of the unwanted AC component is measured as , th25 Apr, 2026 (M)Rectifier
  5. 5If the current gain in common-base configuration ( ) of a transistor increases from 0.95 to 0.96, the percentage change in current gain in c25 Apr, 2026 (M)Junction Transistors
  6. 6Which of the following is true for a p-type semiconductor?25 Apr, 2026 (M)Semiconductors
  7. 7The logic gate equivalent to given logic gate is25 Apr, 2026 (E)Logic gates
  8. 8The color of light emitted by an LED is determined primarily by which of the following factors?25 Apr, 2026 (E)Energy Bands in Solids
  9. 9A silicon crystal is doped with atoms of boron. The electron concentration at room temperature is25 Apr, 2026 (E)Semiconductors
  10. 10Below we give four entries for the truth table of two point input OR gate. Which two are wrong?24 Apr, 2026 (M)Logic gates
  11. 11For a common emitter amplifier, the audio signal voltage across the collector resistance of is 4 V. If the current amplification factor of t24 Apr, 2026 (M)Junction Transistors
  12. 12Which of the following statements is NOT TRUE ?24 Apr, 2026 (M)Semiconductors
  13. 13In case of semiconductors, the band gap between the valence band and conduction band is24 Apr, 2026 (E)Energy Bands in Solids
  14. 14The output of the logic circuit shown in figure will be24 Apr, 2026 (E)Logic gates
  15. 15To emit red or green light, LED is manufactured using24 Apr, 2026 (E)Special purpose diodes
  16. 16Current through a reverse biased p-n junction, increases abruptly at23 Apr, 2026 (M)Diodes
  17. 17Dark current in a photo-diode depends on the23 Apr, 2026 (M)Special purpose diodes
  18. 18The truth table for the given circuit is23 Apr, 2026 (M)Logic gates
  19. 19The potential barrier in p-n junction diode is due to23 Apr, 2026 (E)Diodes
  20. 20In a common emitter amplifier circuit using n-p-n transistor, the phase difference between the input and output voltages will be23 Apr, 2026 (E)Junction Transistors
  21. 21The below truth table corresponds to A B Y 0 0 1 1 0 1 0 1 1 1 1 023 Apr, 2026 (E)Logic gates
  22. 22In good conductor, the gap between the valence band and the conduction band is22 Apr, 2026 (M)Energy Bands in Solids
  23. 23In the following combination of logic gates, the outputs (y,z) are respectively.22 Apr, 2026 (M)Logic gates
  24. 24A p-n junction photodiode is fabricated from a semiconductor with a band gap of J. It can detect a signal of wavelength22 Apr, 2026 (M)Special purpose diodes
  25. 25Which of the following LED emits red and yellow light?22 Apr, 2026 (E)Special purpose diodes
  26. 26Which of the following gives output in the NAND gate?22 Apr, 2026 (E)Logic gates
  27. 27The depletion region of a p-n junction is formed due to22 Apr, 2026 (E)Diodes
  28. 28Identify the INCORRECT statement21 Apr, 2026 (M)Special purpose diodes
  29. 29The components which are used in regulated power supply as rectifier, filter and voltage regulator are21 Apr, 2026 (M)Diodes
  30. 30Which of the following statements is NOT true?21 Apr, 2026 (M)Semiconductors
  31. 31The output characteristics of a transistor in CE mode is the graph obtained by plotting21 Apr, 2026 (E)Junction Transistors
  32. 32In semiconductors, at room temperature21 Apr, 2026 (E)Energy Bands in Solids
  33. 33A combination of logic gates is as shown in the figure. P, Q, R and S are the inputs and X, Y and Z are outputs. When inputs P and R are "lo21 Apr, 2026 (E)Logic gates

Frequently Asked Questions

1.How many questions are available for Semiconductors?

This chapter includes 33 questions compiled from MHT-CET (PCB) papers in 2026.

2.Are these questions only from MHT-CET (PCB), or from other exams too?

These are MHT-CET (PCB) questions specifically for the Semiconductors chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.Is Semiconductors an important chapter for MHT-CET (PCB) Physics?

Semiconductors has appeared in 1 of the 1 year of MHT-CET (PCB) papers covered here, with 33 questions across 11 papers - about 3 per paper it appears in.

4.What is the difficulty level of Semiconductors questions in MHT-CET (PCB)?

Of the 33 questions analysed for this chapter, 79% are easy, 21% moderate and 0% tough. 2026 had the most, with 33 questions.

5.Which topics in Semiconductors should I focus on?

These topics have carried the most weightage in Semiconductors:

  • Logic gates - 9 questions (27%)
  • Special purpose diodes - 6 questions (18%)
  • Semiconductors - 5 questions (15%)
6.Is Semiconductors's weightage in MHT-CET (PCB) going up or down?

Across all 11 papers analysed, Semiconductors has averaged about 3.0 questions per paper. In 2026, that average has stayed about the same, at about 3.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.