A staight wire 1.0m long carries a currernt of 100A at right-angles to a uniform magnetic field of 1.0T. Find the mechanical force on the wire and the power required to move it at 15m/s in a plane at right-angles to the field.
100N and 1.5kW
200N and 2.5kW
300N and 1.4kW
200N and 2.7kW
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