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13. Thor decides to send a 10,000 A current through a vertical 10m building beam at the same time Magneto blasts a constant 2
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Answer #1

(13) Lenngth of the beam = L = 10 m, current passing = I = 10000 A, magnetic field B = 2.5 T is at an angle \theta = 80o with the beam.

Hence, magnetic force experienced by the 10 m long beam is :

F = ILB sin \theta = 10000 A x 10 m x 2.5 T x sin 80o = 2.46 x 105 N.

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