electricity and circuit, class 6
Electricity class 6 · Electricity is useful form of energy. it play very important role in our daily life it make our work easy. · It is needed for functioning of electric equipments like computer refrigerator air conditioner bulb and etc Electric cell : It is a common source of electric energy for many types of equipment it is used in calculators .remote, toy , camera etc Advantage of electric cell · They are lightweight so they are portable · they produce a very small amount of electricity so safe for work · they are not very costly · they do not contain...