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MCQMediumJEE Main 2026 · 28 January, Shift 1Force on Current-Carrying Conductor

Physics Question from JEE Main 2026 · 28 January, Shift 1

Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by 15 cm15 \, \text{cm} length of wire QQ is ____. (μ0=4π×10−7 T m A−1\mu_0 = 4\pi \times 10^{-7} \, T \, m \, A^{-1})

Three long parallel vertical wires labelled P, Q and R. Wire P carries 3 A upward, wire Q carries 1 A downward and wire R carries 2 A downward. The separation between P and Q is 3 cm and between Q and R is 2 cm.
  • A

    6×10−7 N6\times10^{-7} \, N towards PP

  • B

    6×10−6 N6\times10^{-6} \, N towards PP

  • C

    6×10−7 N6\times10^{-7} \, N towards RR

  • D

    6×10−6 N6\times10^{-6} \, N towards RR

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