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Energy Bands and Classification of Solids for GUJCET: 8 solved questions

Real GUJCET paper questions on energy bands and classification of solids, part of semiconductor electronics. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2015 to 2024. No sign-in needed to read them.

What this topic asks

• Energy bands and band gap — 8 questions

All 8 questions with solutions

• The band gaps of an insulator, conductor and semi conductor are respectively E_g1, E_g2 and E_g3. The relatio… GUJCET 2018
• The forbidden gap between the conduction band and the valence band is maximum for . GUJCET 2020
• The energy required for electron to jump the forbidden band for germanium at room temperature in the intrinsi… GUJCET 2024
• The band gaps of a conductor, a semiconductor and an insulator are respectively E_g1, E_g2 and E_g3. The rela… GSEB Board July 2015
• The band gaps of an insulator, semiconductor and conductor are respectively E_g1, E_g2 and E_g3. The relation… GSEB Board July 2018
• Carbon, silicon and germanium have four valence electrons each. These are characterised by valence and conduc… GSEB Board August 2020
• eV energy is required for an electron to jump the forbidden gap at room temperature in pure Si. GSEB Board July 2022
• The energy band diagram of a Si semiconductor crystal at absolute zero temperature, RS Academy GUJCET booklet