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10th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    If a resistance of 30 ohms is connected in series with another resistance of 42 Ohms and potential difference of 36 volts is applied across whole circuit then the potential difference across 42 ohms resistance is:

    A) 12 volts

    B) 32 volts

    C) 21 volts

    D)  18 volts

    E)  None of these

    Correct Answer: C

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