Official course description: Continuation of PHYS 2110. Principles of electromagnetism using methods of calculus; Gauss's Law, current, resistance, capacitance, Faraday's Law, inductance, geometric optics. NOTE: for first-time enrollees, PHYS 2121 must be taken concurrently. Three lecture hours per week. PREREQUISITE: PHYS 2110. COREQUISITE: MATH 1920 or MATH 2421. The Physics Department recommends that students take MATH 1920 before PHYS 2120. [G