Relative density of mercury is 13600 what does it mean

relative density is the density divided by some reference density.

for liquids like mercury the reference density is most likely water, so

relative density = density mercury / density of water = 13600

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

like poles repel so keep pushing north to north and repels funny to see this