Question

The coercivity of a small magnet where the ferromagnet gets demagnetized, is 10^3 A/m. The
current required to be passed in a solenoid of length 10 cm of turn 200, so that the magnet gets demagnetized when inside the solenoid, is​

Answer 1

Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.