Explore the fundamental concepts of electricity in this comprehensive physics video. Learn about electric current, circuits, and Ohm's Law while gaining insights into measuring instruments like ammeters, voltmeters, and ohmmeters. Discover the relationships between amperes, volts, and ohms, and understand the principles of electric potential difference, resistance, and power. Delve into topics such as resistors, capacitors, series and parallel circuits, and the differences between Direct Current (DC) and Alternating Current (AC). Perfect for students preparing for MCAT, DAT, NEET, AP Physics, ACT, SAT, and college-level physics courses, this lecture provides essential knowledge for mastering circuit laws and electrical principles.