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  5. Electric Current and Its Effects

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

  • question_answer
    If it takes 8 minutes to boil a quantity of water electrically, how long will it take to boil the same quantity of water using the same heating coil but with the current doubled?

    A) 32 minutes                  

    B) 16 minutes

    C) 4 minutes       

    D) 2 minutes

    Correct Answer: D

    Solution :

    2 minutes


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