详情
"Current" refers to the flow of electricity through a conductor, measured in amperes (A). It represents the movement of charged particles, typically electrons, driven by a voltage difference. Current can be direct (DC), flowing in one direction, or alternating (AC), periodically reversing direction. Its strength depends on voltage and resistance, as described by Ohm's Law (I = V/R). In circuits, current powers devices and generates magnetic fields. It is a fundamental concept in electronics, power distribution, and electromagnetism, influencing everything from household appliances to industrial machinery. Proper current management ensures efficiency and safety, preventing overheating or circuit damage.
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