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Electric current and its effect
This document discusses electric current and its effects. It begins by introducing electric charge and how it is measured. It then discusses electric current, including the difference between conventional and electron flow. It describes the components of an electric circuit including resistors and how various factors affect resistance. It explains the heating effect of electric current and some applications. It also covers electromagnets, how they are created, and their advantages over permanent magnets. Examples of uses for electromagnets in various devices and applications are provided.
