Dive into the world of operational amplifiers in this comprehensive 90-minute video tutorial. Explore the fundamentals of op-amps, including their structure, circuit symbols, and terminal characteristics. Learn about op-amp gain, linear region, and ideal behavior, including virtual short and input current concepts. Master input and output resistance principles, and tackle a series of basic op-amp problems to reinforce your understanding. Examine the inverting op-amp circuit configuration and solve related problems. Finally, delve into summing amplifier circuits and practice with various problem-solving scenarios. Gain a solid foundation in op-amp theory and application through this in-depth exploration of essential concepts and practical examples.