Create a custom practice set
Pick category, difficulty, number of questions, and time limit. Start instantly with your own quiz.
Generate QuizGK Question
True or False: Topological insulators conduct electricity on their surface but are insulators in their bulk.
- True
- False
Answer: True
Topological insulators have protected surface states due to time-reversal symmetry, enabling dissipationless electron transport. Promising for spintronics and quantum computing. Nobel Prize in Physics 2016. [[NCERT Physics Class 12]]