Discussion
In a dry cell, which of the following energy is converted into electrical energy ?
Answer: B
In a dry cell, chemical energy is converted into electrical energy.
A dry (Leclanche type) cell has a zinc container as the negative electrode and a carbon rod surrounded by manganese dioxide as the positive electrode, with an ammonium chloride paste as electrolyte. The redox reactions at the electrodes release chemical energy as a flow of electrons.
No mechanical, kinetic or potential (gravitational) energy is involved. Mechanical energy is converted into electrical energy in a generator, not a cell.
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