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10th Class Science Electricity and Circuits Question Bank Electricity

  • question_answer
    A battery of 6 V is connected to the terminals of three metre long wire of uniform thickness and resistance of the order of 100 ohms. The difference of potential between two points separated by 50 cm on the wire will be

    A)  1 volt                

    B)         \[\text{1}\text{.5}\]volts

    C)  2 volts             

    D)         3 volts

    Correct Answer: A

    Solution :

                    \[K=\frac{V}{l}=\frac{6}{3}=2\,\,V/m\]\[V=Kl=2\times 0.5\,\,m=1V\]


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