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PhysicsJEE Main 8 Apr 2026, Shift 2·Q14·MCQ·Easy–moderate

Moving Charges and Magnetism · Current loop and galvanometer

A current carrying circular loop of radius 2 cm with unit normal n^=k^+i^2\hat n = \dfrac{\hat k + \hat i}{\sqrt2} is placed in a magnetic field, B⃗=B0(3i^+2k^)\vec B = B_0(3\hat i + 2\hat k). If B0=4×10−3B_0 = 4\times10^{-3} T and current I=1002I = 100\sqrt2 A, the torque experienced by the loop is Wb.A. (π=3.14\pi = 3.14)
  1. (1)16×10−5 k^16\times10^{-5}\,\hat k
  2. (2)5024×10−7 k^5024\times10^{-7}\,\hat k
  3. (3)5024×10−7 i^5024\times10^{-7}\,\hat i
  4. (4)5024×10−7 j^5024\times10^{-7}\,\hat j

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