Water is heated from the bottom not the top

if a pot of water were heated from the top it would boil slower as the heated water with stay at the top and not warm at the bottom. the water boils at the bottom because of convection currents. also because the rises from the bottom

when the use of electricity burdens the fuse and miniarure circuit beakers and there is a possibility of a fuse then they automatically cut off the electricity supply to your homes and after you fix the problem u jzt switch it on and it continues the supply of electricity to ur homes

it is a negative acceleration