You will need A lime fruit, a plate of copper, a plate of zinc, connecting wires, and a galvanometer. Method lime fruit should be thoroughly pressed to liquidize its juice. Insert the parts of copper sheet as well as the zinc sheet into lime fruit. Connect a wire to each of the metal sheets. Connect […]

Generation of electricity Some sources can generate electricity by chemical reactions. Examples are Dry cells, simple cells, and car batteries. Let’s make a simple cell. You will need A small beaker, copper, and zinc sheets, a torch bulb, a center-zero galvanometer, dilute sulphuric acid, and pieces of connection wire. Method Thoroughly clean the copper and […]