hyeee ♥️ Describe a dry cell ? Is dry cell actually dry ??.......
Answers
Explanation:
A dry cell has the electrolyte immobilized as a paste, with only enough moisture in it to allow current to flow. Unlike a wet cell, a dry cell can operate in any orientation without spilling, as it contains no free liquid.
Dry cell batteries are batteries that use an extremely low-moisture electrolyte. They are contrasted by wet cell batteries such as lead-acid batteries, which use a liquid electrolyte. The electrolyte that is used in most dry cell batteries is a sort of paste which, though containing moisture, is still relatively dry.
Answer:
A dry cell has a potential of about 1.5 V. The so called dry cells are not really dry. These cells contain wet paste of NH4Cl and ZnCl2. In fact, a dry cell operates only as long as the paste in it is moist.
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It consists of a zinc container with a small brass cap on one side of the cell which is labelled as positive (+) and a metal base at the other side of the cell which is labeled as negative (-).
The positive and negative sides of the cells are called as positive terminal and negative terminal of the cell respectively.
A carbon rod is placed at the centre of the cell surrounded by a mixture of manganese dioxide (MnO2) and charcoal (C) in a muslin bag.
The electrolyte is a moist paste of ammonium chloride (NH4CI), plaster of paris, flour, etc. and the outer body (except for the base) of a zinc container is insulated with a thick cardboard or plastic material.