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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A magnetic dipole is placed under the effect of two magnetic fields inclined at 75 ∘ to each other. One of the fields has a magnetic induction of 1.5 × 10^ −2 T. The magnet comes to rest at an angle of 30 o with the direction of this field. The magnitude of the other field is:

A magnetic dipole is placed under the effect of two magnetic fields inclined at 75 ∘ to each other. One of the fields has a magnetic induction of 1.5 × 10^ −2 T. The magnet comes to rest at an angle of 30 o with the direction of this field. The magnitude of the other field is:

A bar of mass M is suspended by two wires. Assume that a uniform magnetic field B is directed into the page. when the current through the bar is I then the tension in each supporting wire is