Question

on what frequency current start flowing on human body without harming it ​

Answer 1

Answer:

1mA for ac at 50 to 60 hertz

5mA for dc

Answer 2

The minimum current a human can feel depends on the current type (AC or DC) and frequency.

A person can feel at least 1 mA of AC at 50-60 Hz, while at least 5 mA for DC. The current may, if it is high enough, cause tissue damage or fibrillation which leads to cardiac arrest.

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