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Magnetics question

2023 · 13 Apr · Shift 2 · Q65
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Magnetics question

2023 · 13 Apr · Shift 2 · Q65

JEE MainPhysicsMagneticsNumerical+4 / −1
A straight wire AB\mathrm{AB}AB of mass 40 g40 \mathrm{~g}40 g and length 50 cm50 \mathrm{~cm}50 cm is suspended by a pair of flexible leads in uniform magnetic field of magnitude 0.40 T0.40 \mathrm{~T}0.40 T as shown in the figure. The magnitude of the current required in the wire to remove the tension in the supporting leads is ‾\underline{\hspace{2cm}}​ A. (\left(\right.( Take g=10 ms−2g=10 \mathrm{~ms}^{-2}g=10 ms−2 ). JEE Main 2023 (Online) 13th April Evening Shift Physics - Magnetic Effect of Current Question 62 English
Numerical answer
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