Question 56Electricity & Electronics - Assistant Engineer

The correct answer is A) 3 to 7 mA. This is the minimum threshold for a painful electric shock that most people would perceive. At this current level, the electric current is strong enough to stimulate the nerves and muscles, resulting in a painful sensation. The other options are incorrect because 10-16 mA is a higher range that can cause muscle contraction and loss of muscle control, 30 mA is high enough to cause respiratory paralysis, and 100 mA for 2.5 seconds is a potentially lethal dose of electric current.