← Practice identify → model → compute → check
01 Fields Driving Current Problems Charge counting, I = nAvq, drift times, and work from a p.d. → 02 Heating Effect Problems P = IV in all three forms, kilowatt-hour costs, fuses, and cable waste. → 03 Electric Cells Problems E.m.f., internal resistance, capacity, matched loads, and efficiency. → 04 Magnetic Effects Problems Straight wires, loops, solenoids, electromagnets, and field superposition. → 05 The Motor Effect Problems F = BIL sinθ, charges on circles, coil torque, and levitating wires. → 06 Electricity & Magnetism Calculus Problems Charge as area, ∫εI dt energy, exponential discharge, and ∫BI dL forces. →