Explore the principles of magnetic fields in current-carrying loops and ideal solenoids in this comprehensive physics lesson. Learn the physics formula for calculating the magnitude of magnetic fields at the center of current-carrying loops and understand the new right-hand rule for determining field direction. Discover how ideal solenoids generate magnetic fields through their centers, along with the corresponding formula and right-hand rule for direction determination. Apply your knowledge by solving practice problems to calculate magnetic field magnitudes at the centers of loops and ideal solenoids. Gain a solid understanding of these fundamental concepts in electromagnetism to enhance your physics expertise.