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TRANSCRIPT
WELCOME
POWERPOINT PRESENTATIONPHYSICAL SCIENCEREVATHY
ELECTRIC CELLS
ELECTRIC CELLS
Electric cells are the source of energy to produce electric current
DIFFERENT TYPES OF CELLS
• Dry cell• Mercury cell• Nickel-Cadmium cell• Li-Fe cell
USES OF DRY CELL
USED IN Radio Camera Clock Toys
USES OF MERCURY CELL
USED IN• Watch• Calculator• Electronic devices
USES OF Ni-Cd CELL
USED INTorches Camera
USES OF Li-Fe CELL
USED IN Mobile phoneLaptop
MERITS OF ELECTRONIC CELLS
• High efficiency• Economic
DEMERITS
• Causes Pollution• Reduce fertility of soil