Which Is More Dangerous: AC vs DC Current and Why? Scientific Reasons Explained

The discussion addresses the comparative dangers of AC (alternating current) versus DC (direct current) electrical shocks, highlighting differing perspectives based on physiological effects and electrical characteristics. AC is often considered more immediately dangerous because its alternating nature can cause muscle tetany and involuntary muscle contractions, potentially throwing a person away from the source, which may reduce shock duration. Conversely, DC lacks zero-crossing points and frequency, causing continuous current flow that can make a person "stick" to the conductor, increasing the risk of prolonged exposure and fatality. A 240V DC shock may not throw a person off but can be more lethal due to sustained current flow, while a 240V AC shock might cause a strong reaction that leads to separation from the source. Both AC and DC present significant hazards, with voltage level and exposure duration being critical factors. References to external resources provide further technical comparisons and explanations of physiological impacts of AC and DC shocks.
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