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10th Class Science Electricity and Circuits Question Bank Electricity

  • question_answer
    A cell of negligible resistance and emf 2 volt is connected to series combination of 2,3 and 5 ohm. The potential difference in volts between the terminals of 3 ohm resistance will be

    A)  \[0.\text{6}\]ohm                            

    B)  \[2/3\]volt

    C)  3 volts           

    D)         6 volts

    Correct Answer: A

    Solution :

     In series,\[V\propto R\] So,          \[\frac{V}{{{V}_{total}}}=\frac{R}{{{R}_{total}}}\] Since, the resistance of \[3\Omega \] is \[\frac{3}{10}th\] of the applied voltage\[=\frac{3}{10}\times 2=0.6\]


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