Give the construction and woking of sinple dry cell?
The dry cell is compact form of Leclanche cell. It consists of a zinc container which acts as anode and the cathode is a carbon rod surrounded by powdered manganese dioxide and carbon kept in a porous container. The space between electrodes is filled by a moist paste of ammonium chloride and zinc chloride. The cylinder is sealed at the top with a pitch.
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Dry cells are the types of chemical cells or batteries which are used to store electricity.They are known as dry cells because the chemical present in them is not wet but they are in the form of a paste.
They are used as batteries in toys, clocks, flash lights, calculators and many household appliances.
a cell is a convenient source of electrical energy.
it has apaste of ammmonium chloride inside a zinc container.
in the ammonium chloride paste there is a cardboard container inside which there is powdered manganese dioxide and carbon. the cardboard container is aporus material in which chemical reactions can take place between ammonium chloride and powdered manganese dioxide.a rod usually carbon is dipped into the manganese dioxide.then the whole thing is sealed in such a way so that the contents do not spill.