7th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    You have been given the number of batteries with their volt ratings. You need to operate an electric appliance which works on 36 V. Which one of the following is the correct connection of the given number of batteries to obtain 36 V supply?

    A)

    B)  

    C)

    D) All of these

    E) None of these

    Correct Answer: B


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