Practice Problems for the ECE Ph.D. Qualifying Exams (QE)
with student solutions and feedback
Past Exam Problems
- Automatic Control
- Question 1: Feedback Control Systems
- Question 2: Linear Time-Invariant and Time-Varying Systems: A State Space Approach
- Question 3: Optimization
- Biomedical Imaging and Sensing
- Communications and Signal Processing
- Question 1: Probability and Random Processes
- Question 2: Signal Processing
- Question 3: Communications
- Question 4: Networking
- Question 5: Image Processing
- Computer Engineering
- Question 1: Algorithms
- Question 2: Compilers
- Question 3: Artificial Intelligence
- Question 4: Architecture
- Question 5: Computer Network Systems
- Question 6: Operating Systems
- Fields and Optics
- Question 1: Statics 1
- Question 2: Dynamics 1 : Propagation, transmission and radiation
- Question 3: Dynamics 2 : Time Varying Fields and Maxwell's Equations
- Microelectronics and Nanotechnology
- Question 1: Semiconductor Fundamentals
- Question 2: Junction Devices
- Question 3: Field Effect Devices
- Power and Energy Devices and Systems (formerly Energy Sources and Systems)
- Question 1: Energy Conversion and Reference Frame Theory
- Question 2: Electric Machinery (Induction, PM, Wound-Rotor Synchronous)
- Question 3: Power Electronics and Electric Drives
- VLSI and Circuit Design
- Question 1: Transistor Level Design
- Question 2: Combinational and Sequential Logic
The problems, solutions and discussions presented on these pages have been written mainly by students themselves. Thus we make no guarantee regarding their accuracy or correctness. Use at your own risks...