1.

In a metal wire of massm=24.1 mg can slide with negligiblefrictionon two horizontal parallel rails separated by distanced=2.56 cm . The track lies in a vertical uniform magnetic field of magnitude 56.3 m. At time t=0 , device G is connected to the rails . producing a constant current i=9.13 mA in the wire and rails (even as the wire moves). At t=61.1 ms , what are the wire's (a) speed and (b) direction of motion (left or right)?

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ANSWER :N//A


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