Join Miss Sarah Blake in this essential GCSE Physics episode as she breaks down the fundamental concepts of electric circuits. Learn about electric current as the flow of charge, measured in amperes, and discover why electrons flow opposite to conventional current direction. Understand voltage as the driving force behind current flow, measured in volts, and explore how potential difference creates the pressure needed for electrical flow. Master the concept of resistance as the opposition to current flow, measured in ohms, and learn why different materials have varying conductivity properties. This episode focuses heavily on Ohm's Law, the crucial relationship V=IR that connects voltage, current, and resistance in circuit analysis. Perfect for GCSE students preparing for physics exams, this episode includes practical examples, measurement techniques using ammeters and voltmeters, and essential exam tips for circuit calculations. Whether you're struggling with basic electrical concepts or need to refresh your understanding before exams, this comprehensive guide provides clear explanations using relatable analogies like water flow in pipes. Essential listening for anyone studying electricity and magnetism topics in GCSE Physics, with practical applications and real-world examples that make complex concepts accessible and memorable for exam success.