Question

Chapter 28, Problem 046 in the figure, a metal wire of mass m 28.1 mg can slide with negligible friction on two horizontal parallel rails separated by distance d 2.50 cm. The track lies in a vertical uniform magnetic field of magnitude 66.2 mT. At time t 0 s, device G is connected to the rails, producing a constant current = 6.63 mA in the wire and rails (even as the wire moves). At t = 45.3 ms, what are the wires (a) speed and (b) direction of motion? (a) Number Units the tolerance is +/-5%

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Answer #1

Use flaming left hand rule to find out direction of magnetic force .

Solution Mass。1+ke metal toire. -C magnitude, ol- magnetic field,-16] 3 force aetingon the wire wtu be accordia to te flemiry

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