Download PTU (Punjab Technical University) Physics Assignment 1_1 Question Bank
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Class: EE A, ME A, ME B
Teacher Incharge: Harpreet Kaur Grewal, Randhir Singh
Chapter: Semiconductors
Q1. Differentiate conductor and insulator.
Q2. What is semiconductor? How its resistivity varies with temperature? How
many types of semiconductors are there? Explain briefly.
Q3. What is diode?
Q4. What is forward bias and reverse bias?
Q5. What are majority and minority carriers?
Q6. Define diffusion current and drift current.
Q7. What is Fermi level and Fermi energy?
Q8. Explain the working of p-n diode.
Q9. What is transistor?
Q10. Explain briefly solar cell and LED by giving their respective working
principle and working.
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This post was last modified on 30 January 2020