Electricity is measured in units of power called Watts, named to honor James Watt, the inventor of the steam engine. A Watt is the unit of electrical power equal to one ampere under the pressure of one volt. One Watt is a small amount of power.
I believe that the answer is his body will become a part of the earth, because 'bequeath' means to pass something on or leave to someone else, and he is leaving his body and letting it become one with the earth.
