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

  • question_answer
    Why does the bulb glow brighter when it is powered by two cells rather than one?

    A)  The flow of electricity in the circuit is less.

    B)  The flow of electricity in the circuit is the same.

    C)  The flow of electricity in the circuit is greater.

    D)  The flow of electricity fluctuates.

    Correct Answer: C

    Solution :

    More chemical energy is converted to electrical energy when two cells are used. Consequently, the flow of electric current is greater.


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