Question

Which of the following holds true?

• A. For 20 mA, the human body faces breathing difficulties and the person cannot let go of the conductor that produced electric shock.
• B. A current of 100 mA can be fatal because it affects the nerve processes related to heart functioning leading to uncoordinated and uncontrolled contraction of heart muscle.
• C. Both A & B
• D. None of these

Answer 1

The correct option is C

Both A & B

A 20 mA of current, makes breathing difficult and the person cannot let go of the conductor that produced electric shock. A current of 100 mA can be fatal because it affects the nerve processes related to heart functioning leading to uncoordinated and uncontrolled contraction of heart muscle are produced, this phenomenon is known as the fibrillation of the heart. Heart blood pumping activity is completely disorganized and the effect can be fatal.