When does electricity become hazardous to humans?

A. When it contains high voltage
B. When it completes a circuit through the body
C. When it enters the body
D. When it exits the body



Answer :

Final answer:

Electricity becomes hazardous when completing a circuit through the body, shock severity is determined by multiple factors including current, and caution is needed to avoid electrocution or thermal hazards.


Explanation:

Electricity becomes hazardous to humans when it completes a circuit through the body as this allows the current to flow through vital organs and disrupt their normal functions. This can lead to severe injuries or even death, especially if the current level is high enough to cause ventricular fibrillation in the heart.

The severity of the shock is determined by various factors including the current, path, duration, and AC frequency. It is not only the voltage that determines the hazard level, but rather the amount of current that flows through the body.

One should be cautious around electricity to prevent accidents that could result in electrocution or thermal hazards due to excessive power consumption.


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