Apermanent magnet
a. attracts all substances b. attracts only magnetic substance
c. attracts magnetic substances d. attracts some substances and repels other.

You can choose either b or c .  They're both true.

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

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop