GATE Solid State Physics: Metals, semiconductors and insulators – Previous Year Questions

2 GATE previous year questions on Metals, semiconductors and insulators (Solid State Physics, Physics) with answers and explanations, from every paper.

1. GATE 2021 PH Q19 (1 mark, Multiple choice) – Choose the correct statement.
2. GATE 2021 PH Q27 (1 mark, Numerical answer) – The donor concentration in non-degenerate n-type silicon is increased by a factor of 100. Find the shift in the Fermi level at 300 K, in meV, rounded…