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By turning the handle, the current produced lights the lamp, with the brightness increasing as the handle is turned faster. This model represents an AC generator and demonstrates how alternating current (AC) is generated through electromagnetic induction. When a wheel rotates, it turns a wire coil within a strong magnetic field created by two magnets. This motion induces an electric current in the coil, which flows into a small circuit. The generator can produce either alternating current (AC) or direct current (DC), depending on the configuration. In an AC generator, the current is generated using slip rings. A second set of brushes slides on two continuous rings, known as slip rings, with each ring connected to one end of the armature winding. By connecting to the slip rings instead of the commutator (used in DC generators), the generator provides alternating current.