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प्रश्न
Define the following terms: Secondary batteries
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उत्तर
Secondary batteries can be recharged by passing current through them in the opposite direction. Examples of secondary batteries include a lead storage battery and a nickel–cadmium cell.
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संबंधित प्रश्न
Draw neat and labelled diagram of dry cell.
Write cell reaction in lead storage battery during discharge.
Define electrochemical cell
Why does the cell potential of mercury cell remain constant throughout its life?
From the given cells:
Lead storage cell, Mercury cell, Fuel cell and Dry cell
Answer the following:
(i) Which cell is used in hearing aids?
(ii) Which cell was used in Apollo Space Programme?
(iii) Which cell is used in automobiles and inverters?
(iv) Which cell does not have long life?
Name the type of cell which was used in Apollo space programme for providing electrical power.
Define terms: Fuel cell
Without losing its concentration; ZnCl2 solution cannot be kept in contact with
Why does the cell voltage of a mercury cell remain constant during its lifetime?
Dry cells are commonly used in clocks, torches, calculators etc. They are the most familiar type of commercial cells.
- What acts as anode and cathode in dry cell?
- Which chemical compounds are filled between anode and cathode of this cell?
- Why do dry cells not have a long life?
