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PhysicsJEE Main 28 Jan 2026, Shift 1·Q9·MCQ·Easy–moderate

Moving Charges and Magnetism · Magnetic force

Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by 15 cm length of wire QQ is .
(μ0=4π×10−7\mu_0 = 4\pi\times10^{-7} T.m/A)
  1. (1)6×10−76\times10^{-7} N towards PP
  2. (2)6×10−66\times10^{-6} N towards RR
  3. (3)6×10−76\times10^{-7} N towards RR
  4. (4)6×10−66\times10^{-6} N towards PP

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