Create a 12 slide academic presentation on "Current-Voltage (I-V) Characteristics of a Diode" for a course in Analog and Digital Circuits. Target audience: university professors and engineering students. Include: 1) Introduction to PN Junction Diodes, 2) Working Principle & Semiconductor Physics, 3) Forward Bias Characteristics & Cut-in/Threshold Voltage, 4) Reverse Bias Characteristics & Breakdown Voltages (Zener and Avalanche), 5) Shockley Diode Equation & Ideal vs. Real Diode Comparison, 6) Practical Applications in Analog & Digital Circuits (Rectifiers, Clippers, Clampers), 7) Experimental Setup & Curve Tracing, and 8) Summary & Conclusion. Keep bullet points concise, technical, and formatted for clean presentation layouts. With diagrams