Which of the following is not a primary cell?

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KVS TGT WET (Work Experience Teacher) 23 Dec 2018 Official Paper
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  1. Carbon - zinc
  2. Alkaline
  3. Zinc - chloride
  4. Lead - acid

Answer (Detailed Solution Below)

Option 4 : Lead - acid
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Detailed Solution

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  • Primary cells are the cells that produce electrical energy and after a few hours of use become inactive
  • Types of the primary cell are:
  •            Voltaic cell, Daniel Cell, Lechlanche cell, dry cell

    • Secondary cells are used repeatedly for producing electrical energy after charging them
    • The secondary cell does not produce electrical energy, but it only accumulates the energy
    • Types of secondary cell:
               Lead Acid, Edison cell, Nickel Cadmium cell
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