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7th Class Science Electric Current and Its Effects Question Bank Electric Current and Its Effects

  • question_answer
    DIRECTIONS: On the basis of, following diagram / picture answer the questions given below: What energy changes take place in the figure given here, where a bulb glows with the help of a cell?

    A) Electrical\[\to \]light

    B) Electrical\[\to \]heat\[\to \]light

    C) Chemical\[\to \]electrical\[\to \]heat\[\to \]light

    D) Chemical\[\to \]electrical\[\to \]light\[\to \]heat

    Correct Answer: C

    Solution :

    The chemical energy stored in the cell converts into electrical energy, which heats up the filament of the bulb, which upon getting heated-up glows.


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