In what grade is Ohm’s Law taught and for what purpose?

Ohm's law is typically taught in high school physics classes, usually at the 10th or 11th grade level. The primary purpose of introducing Ohm's law in this context is to provide students with a basic understanding of electrical circuits, which is a fundamental concept in electrical engineering. Ohm's law states that the current passing through a conductor is directly proportional to the voltage applied across it, and this relationship is used to calculate the resistance of the conductor. This knowledge is essential for students to understand how electrical circuits work, and how to design and analyze them. Additionally, understanding Ohm's law is important for students to understand the behavior of electrical components and to troubleshoot any issues that arise in electrical systems.