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T2 CH2 Electricity — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT2 CH2 Electricity1 Mark
MCQ
________ cell is used to operate devices such as mobile phones, computers and emergency lights
  • A
    Primary cell Lithium cell
  • ✓
    Secondary cell
  • C
    Lithium Cell
  • D
    None
✓

Answer

Correct option: B.
Secondary cell
Secondary cell

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