In the figure, a conducting rod of length L = 26.0cmmoves in a magnetic field B
ID: 2242477 • Letter: I
Question
In the figure, a conducting rod of length L = 26.0cmmoves in a magnetic field B? of magnitude 0.360Tdirected into the plane of the figure. The rod moves with speed v = 7.00m/s in the direction shown. (Figure 1)
http://session.masteringphysics.com/problemAsset/1011317/15/yf_Figure_29_32.jpg
When the charges in the rod are in equilibrium, what is the magnitude E of the electric field within the rod?
Express your answer in volts per meter to at least three significant figures.
___________________________V/m
What is the magnitude Vba of the potential difference between the ends of the rod?
Express your answer in volts to at least three significant figures.
________________________V
What is the magnitude E of the motional emf induced in the rod?
Express your answer in volts to at least three significant figures.
_____________________________V
In the figure, a conducting rod of length L = 26.0cmmoves in a magnetic field B? of magnitude 0.360T directed into the plane of the figure. The rod moves with speed v = 7.00m/s in the direction shown. When the charges in the rod are in equilibrium, what is the magnitude E of the electric field within the rod? Express your answer in volts per meter to at least three significant figures. What is the magnitude Vba of the potential difference between the ends of the rod? Express your answer in volts to at least three significant figures. What is the magnitude E of the motional emf induced in the rod? Express your answer in volts to at least three significant figures.Explanation / Answer
a) Emf= Blv= 0.36*0.26*7=0.6552 V
==> E= Emf/L= 2.52 V/m
b) Vba= Blv= 0.36*0.26*7=0.655 V
c) motional emf= 0.655 V
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