JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2004

  • question_answer
        Currents flow m three long straight parallel long wires as shown in fig. The force on 10 cm length of wire Q is:

    A)  \[\text{5}0\times \text{1}{{0}^{-\text{3}}}\text{H}\]N towards left

    B) \[\text{5}0\times \text{1}{{0}^{-\text{3}}}\text{mH}\] N towards right

    C)  \[1V\]N towards right

    D)  \[\text{mass}=\text{9}.0\times \text{1}{{0}^{\text{-31}}}\] towards left

    Correct Answer: C

    Solution :

                    Force on 10 cm: length of wire Q due to wire P is \[2\mu F\] \[0.00\text{1 J}\] towards left (repulsive)            Force on 10 cm length of wire Q due to wire R \[0.0\text{1 J}\] \[\text{15 J}\](towards right)


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