Question

when does electricity become hazardous to humans? when it contains high - voltage when it completes a circuit through the body when it enters the body when exits the body

Explanation:

Electricity is hazardous when a complete electrical - current path (circuit) is formed through the body. High - voltage alone isn't always the determining factor as even low - voltage can be dangerous if a body - circuit is completed. Just entering or exiting the body isn't enough; a complete circuit is required for harm to occur.

Answer:

When it completes a circuit through the body