A straight conducting rod of length l and mass m is suspended in a horizontal plane by a…

Physics · Class 12 · CBSE — Moving Charges and Magnetism

1. \(\frac{m g B}{l}\)
2. \(\frac{m g l}{\mathrm{~B}}\)
3. \(\frac{m g}{l B}\)
4. \(\frac{l \mathrm{~B}}{m g}\)

Answer

(C) m g l B

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