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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: In the figure given below, A, B and C are identical bulbs. What changes occur in the brightness of bulbs A and B when the switch S is closed?

    A) Brightness of A increases but that of B decreases

    B) Brightness of A remains the same but that of B decreases

    C) Brightness of both A and B decreases

    D) Brightness of both A and B increases

    Correct Answer: A

    Solution :

    Brightness of A increases but that of B decreases


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