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Electric Current and its Effects — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceElectric Current and its Effects1 Mark
MCQ
A control consisting of a electrical device for making or breaking or changing the connections in a circuit is:
  • A
    A switch
  • B
    A key
  • ✓
    Both $(a)$ and $(b)$
  • D
    None of these
✓

Answer

Correct option: C.
Both $(a)$ and $(b)$
Both $(a)$ and $(b)$ are control consisting device of electricsl.

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