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Uniform external magnetic field

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A wire of length 0.53m, carrying a current of 6.2A is placed in a uniform external magnetic field. When the wire is horizontal it experiences no magnetic force. When the wire is tilted upward at an angle of 15 degrees it experiences a magnetic force of 4.4x10^-3N. What is the magnitude of the external magnetic field. how is 5.2x10-3T the answer?

Reference no: EM131161847

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