Upon completion of this lesson, student must be able to:
Charge is developed in nonmetals like plastic, wool, nylon, polyester, ebonite, etc. in insulating materials due to friction. Those are called static charge. A cell is a device where a potential difference between two conductors is maintained by a conversion of chemical energy into electrical energy. The note of electricity provides information about cells, charged particles, advantages and much more about electricity.
Earthing is a system where excessive electricity is passed through it into the ground. The fuse is the special wire that melts when a certain amount of electricity flows through it. MCB is improved and extended version of the fuse. This note briefly explains about electricity, house wiring system and its uses.