In the figure below, the two ends of a U-shaped wireof mass m = 7.00 g and length L = 17.0 cm areimmersed in mercury (which is a conductor). Thewire is in a uniform field of magnitude B = 0.0860 T. Aswitch (unshown) is rapidly closed and thenreopened, sending a pulse of current through thewire, which causes the wire to jump upward. If jumpheight h = 4.00 m, how much charge was in the pulse?Assume that the duration of the pulse is much lessthan the time of flight.Hg.Number iXLXUnitsXM<>

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Answered: In the figure below, the two ends of a…

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