Why is it advised to cut off power supply and switch off all electrical appliances at the time of a flood?
Why it is advised to cut off the power supply and switch off all the electrical appliances at the time of flood?
Give scientific reasons.
(a) The copper wire used in an electro-magnet is insulated.
(b) In an electric bell, the electric current stops again and again.
(c) Electrical switches are made of plastic.
(d) The fuse wire is made of a good conductor.