MCQ
When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates:
  • The chemical effect of current.
  • B
    The heating effect of current.
  • C
    The magnetic effect of current.
  • D
    The lightning effect of current.

Answer

Correct option: A.
The chemical effect of current.
The passage of an electric current through a conducting solution causes chemical reactions. As a result, change of colour of solution occurs. This indicates the chemical effect of current.

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