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Shelf life of a cell is governed chiefly by its

  • A.rated capacity in ampere hours
  • B.nominal terminal voltage
  • C.number of charge-discharge cycles
  • D.rate of self discharge

Answer: D

Internal reactions consume the active material whether or not the cell is used, so a cell may be flat before it is ever connected. A low self discharge rate is what makes a cell suitable for a smoke alarm or a remote control.

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