KCET Semiconductor Electronics Weightage 2026

Shivani

Updated On: December 24, 2025 05:24 PM

KCET Semiconductor Electronics Weightage 2026 is around 3 to 4% of the Physics Section. Candidates can expect around 3-4 questions from this topic. Check the Semiconductor Electronics important topics and sample questions.

KCET Semiconductor Electronics Weightage 2025

KCET Semiconductor Electronics Weightage 2026 is expected to be 3 to 4%. Students who are preparing for the KCET 2026 exam can expect 3 to 4 questions from this chapter. The chapter on Semiconductor Electronics consists of topics like the Classification of Metals, Conductors and Semiconductor, Intrinsic Semiconductor, Extrinsic Semiconductor, PN Junction, Semiconductor Diode, Application of Junction Diode as a Rectifier, Special Purpose P-n Junction Diodes, Digital Electronics and Logic Gates, Integrated Circuits, etc. Having a strong foundation of these topics can fetch candidates 3 to 4 marks in the exam.

According to the official schedule, the KCET 2026 exam will be held on April 16 and 17, 2026. You can go through KCET 2026 Syllabus and prepare well for the examination.

Read Also:

KCET 2026 Chemistry Syllabus PDF

KCET Previous Year Question Papers Last 30 Days Preparation Strategy for KCET 2026

Expected KCET 2026 Semiconductor Electronics Weightage

KCET aspirants can refer to the table here for a better understanding of the weightage for the chapter on Semiconductor Electronics.

Chapter

Number of Questions

Weightage in Percentage

Semiconductor electronics

3-4 questions

3-4%

KCET 2026 Semiconductor Electronics Topics

Here is a tabular representation of the topics and number of questions asked from this chapter in the KCET exam 2026.

Chapter

Topics included in the chapter

Semiconductor electronics

  • Introduction to the chapter
  • Extrinsic/intrinsic semiconductor
  • Classification of metals/conductors/semiconductors
  • Application of junction diode as a rectifier
  • PN junction
  • Semiconductor diode
  • Optoelectronic junction devices
  • Digital electronics & logic gates

KCET 2026 Semiconductor Electronics Important Topics

Here are the important topics included in the semiconductor electronics for the KCET exam.

  1. PN Junctions
  2. Extrinsic & extrinsic semiconductors
  3. Optoelectronic junction devices
  4. Semiconductor diode
Also Read: KCET 2026 Syllabus: Check Subject-Wise Weightage

KCET Semiconductor Electronics Previous Year Questions

Here are a few previous year's questions for the reference of applicants for the chapter on semiconductor electronics.

  1. The number of valence electrons of P and Si are —------- respectively
  • 3 and 4
  • 5 and 4
  • 4 and 4
  • 4 and 5

Correct Answer: B


  1. Semiconductors have —----------- conduction and —---------- valence bond
  • A lightly filled, a moderately filled
  • An almost filled, a moderately filled
  • An almost empty and almost filled
  • An almost filled, an almost empty

Correct Answer: C


  1. At room temperature, intrinsic carrier concentration is higher in germanium than in silicon because
  • Carrier mobilities are higher Ge than in Si
  • Energy gap is Ge is smaller than that in Si
  • Atomic number of Ge is larger than in Si
  • Atomic weight of Ge is larger than in Si

Correct Answer: B


  1. If the number of valence electrons in an atom is less than 4, what is the substance called?
  • A conductor
  • A semiconductor
  • Neutral
  • A bad conductor

Correct Answer: A


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We hope that this article on KCET Semiconductor Electronics Weightage 2026 has helped you. For more articles and updates on KCET 2026, stay tuned with CollegeDekho . If you are looking for admission into the top private engineering colleges in India 2026 , you can just fill out the Common Application Form on our website. It is a single application form for admission into various universities.

FAQs

Is the KCET exam tough?

The difficulty level of the questions paper might vary year to year or shift to shift, but applicants should make sure that their preparations are on point to be able to score well even if the exam has some difficult questions. 

Can we skip the chapter semiconductor electronics?

No, it is not advisable for the aspirants to skip any chapters that are included in the syllabus during the exam preparation, as they might get questions from these chapters. 

Is it important to cover the semiconductor electronics for KCET 2025?

Yes, it is important for the KCET aspirants to read all the chapters with precision and prepare well, if they do not want to miss a good score in the exam. 

What is the difficulty level of the semiconductor electronics chapter?

It depends on each individual how they take the chapter, but it is considered to be a simple & easy chapter in the physics syllabus. The concepts included in this chapter are quite straightforward and easy to understand. 

Is it important to study the PN junction concept in semiconductor electronics?

Yes, it is one of the important concepts in this chapter, so it is imperative that the applicants should study it.

How many questions will be asked from the semiconductor electronics chapter in the KCET exam?

There will be a total of 3-4 questions that will be asked from this chapter in the KCET exam. 

What is the weightage of semiconductor electronics in KCET 2025?

The semiconductor electronics chapter will hold a weightage of 3-4% in the KCET exam 2025. 

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