Answers

2016-01-22T15:05:11+05:30
It is from carbon rod and use as battery .
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2016-01-22T15:53:06+05:30
A dry cell consists of a zinc container whose base acts as a negative electrode. The carbon rod placed at the center with a brass cap acts as the positive electrode. this is surrounded by a mix. of manganese dioxide and charcoal in muslin bag. The electrolyte uses is a moist paste of ammonium chloride, the outer body of the zinc container is insulated with card board.
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