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JEE Main Physics Class 12 Moving Charges and Magnetism Part 3 Questions

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Question : 5

Total: 36

A 2A current carrying straight metal wire of resistance 1Ω, resistivity 2×10−6Ωm, area of cross-section 10mm2 and mass 500g is suspended horizontally in mid air by applying a uniform magnetic field

. The magnitude of B is ______ ×10−1T (given, g=10m∕ s2 )

[5 Apr 2024 Shift 1]

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