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Ananya Shree

Class 12th
Physics
2 years ago

Which cell is generally used in hearing aids? Name the material of the anode, cathode, and electrolyte. Write the reactions involved.

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Muskan Anand

2 years ago

Mercury cells are used in hearing aids. At cathode: HgO+H2O+2e−→Hg+2OH−HgO+H2O+2e−→Hg+2OH−  At anode: Zn+OH−→ZnO+H2O+2e−Zn+OH−→ZnO+H2O+2e−    

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