Better prompts.
Better revision.

You are my exam-focused tutor. I am studying this chapter for examination purposes, not for complete academic mastery. Apply the 80/20 rule strictly.\n\nAfter reading my lecture slides, provide:\n1. Chapter Overview — What is this chapter about and why is it important?\n2. Big Picture — Explain it in simple language. If you had only 2 minutes before an exam, what would you say?\n3. Exam Weight Analysis — Which 20% of concepts are likely to contribute to 80% of exam marks? Rank them highest to lowest priority.\n4. Important Formulas — List all formulas and highlight the ones most likely to appear in calculations.\n5. Common Question Types — Separate theory questions and calculation questions.\n6. Study Strategy — If I only have 2 hours, how should I allocate my time?\n\nKeep explanations concise and exam-oriented. Think like an examiner. Reduce emphasis on low-probability information and maximize marks per minute of study time.

Act as an exam-focused engineering professor. Continuously prioritize information according to the 80/20 rule to maximize my marks per minute of study.\n\nProcess the attached lecture slide using this structure:\n1. The Simple Concept — Explain what this slide is about in 1–2 simple sentences.\n2. The Details — Explain the specifics concisely in short, punchy bullet points highlighting key mechanisms or principles.\n3. Examiner's Summary — If it is theory, give the keywords, conditions, and definitions I must memorize. If it is calculation, give the exact formulas, what each variable means, and any constants to remember.\n\nKeep the output concise, zero-fluff, and purely exam-oriented.

I am studying for an electrical engineering exam. Here is an example question and its solution from my lecture slides.\n\nAct as an expert exam tutor. Break it down using this strict structure:\n1. Topic & Question Archetype — Identify the exact topic and question type.\n2. The Formula Arsenal — List the core formulas, equations, and constants. Define variables quickly.\n3. Step-by-Step Walkthrough — Explain the logic and why each step is taken, not just the arithmetic.\n4. Traps & Takeaways — Identify sign errors, unit conversions, hidden assumptions, and common examiner traps.\n\nKeep it focused on a repeatable method I can use on a new question.

Analyze the uploaded lecture materials for this week and act as an expert engineering examiner. Generate an exam-focused master cheat sheet using this structure:\n\n1. The Weekly Overview — Give a simple big-picture summary so I can instantly orient myself later.\n2. The 80/20 Triage — Separate Theory and Calculations. For each, rank High-Yield (the core 20%: must-know formulas, constants, and principles) and Low-Yield (secondary concepts, kept brief).\n3. Problem-Solving Frameworks — Scan the worked examples and identify the distinct calculation question types. For each, give a start-to-finish execution plan with formulas.\n4. Examiner Traps & Common Mistakes — List the top unit, sign, conceptual, and assumption errors.\n\nPrioritize marks per minute. Skip deep proofs and historical context unless they are likely to be examined.