How To Solve Op Amp Circuit Problems for Exam, Quizzes and Tests

Confused about Op Amps? Worried about an upcoming exam, quiz or test? This presentation shows you how to solve most types of op amp problems! No previous understanding of Op Amps is required or needed. If, after this presentation, you become curious about how Negative Feedback really works and how it turns Op Amps into Amplifiers, go to our follow up video that contains a jargon-free explanation of these topics:    • How Magical Negative Feedback Works in Op ...   00:00:00 Introduction 00:01:26 Magical Property #1: The Output Voltage Source 00:06:32 The Magical Output Voltage Equations 00:09:08 Solving Basic Problems using the Magical Voltage Source 00:17:12 Tricking us by drawing the circuits differently 00:20:00 Magical Property #2: Infinite Input Resistance 00:24:00 The “Trick Resistor” trick 00:30:40 The “Trick Resistor” gets tricky for inverting amplifier 00:35:00 Solving Problems with Cascaded Op Amps 00:39:06 The “Resistor Network” trick 00:46:30 The “Voltage Divider” Input trick 00:49:20 Getting Stuck on a tough problem 00:51:18 Magical Property #3: Virtual Short Circuit 00:54:18 Solving basic problems with Virtual Short Circuit 01:00:05 Solving Complex problems using Virtual Short Circuit 01:07:08 The “Range” tricks using Supply Voltages 01:10:27 Have we learnt anything?