(4) The long, straight wire shown in Figure (a) carries constant current I. A metal bar with length L is moving at constant velocity v, as shown in the figure. Point A is a distance d from the wire. Figure (4) L (a) Calculate the emf induced in the bar. Figure (b) Which point, A or B, is at higher potential, explain. (c) If the bar is replaced by a rectangular loop of resistance R, as shown in Figure (b), what is the magnitude of the current induced in the loop?
(4) The long, straight wire shown in Figure (a) carries constant current I. A metal bar with length L is moving at constant velocity v, as shown in the figure. Point A is a distance d from the wire. Figure (4) L (a) Calculate the emf induced in the bar. Figure (b) Which point, A or B, is at higher potential, explain. (c) If the bar is replaced by a rectangular loop of resistance R, as shown in Figure (b), what is the magnitude of the current induced in the loop?
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Transcribed Image Text:(4) The long, straight wire shown in Figure (a) carries constant current I. A metal
bar with length L is moving at constant velocity v, as shown in the figure. Point A is a
distance d from the wire.
Figure(a)
L
B
(a) Calculate the emf induced in the bar.
Figure (b)
(b) Which point, A or B, is at higher potential, explain.
L
(c) If the bar is replaced by a rectangular loop of resistance R, as shown in Figure (b), what
is the magnitude of the current induced in the loop?
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