An uncharged metal bar of length L is placed a distance d from a point charge -Q as shown in the figure below. The rod and point charge are both fixed in place. B d X L a) ] Three points in space A, B, and C are indicated in the figure above. A is a distance d to the left of the point charge, B is in the center of the metal bar, and C is a distance d to the right of the metal bar. State whether the net electric field at each of the points with the bar present is greater than, less than, or equal to the field if the bar were not there. Explain.

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b)
Say that you are far to the left of the charge and the bar (a distance r » d left of the
point charge). Is the magnitude of the net electric field greater than, less than, or equal to
|E| = kQ/r²? Explain your reasoning.
Transcribed Image Text:b) Say that you are far to the left of the charge and the bar (a distance r » d left of the point charge). Is the magnitude of the net electric field greater than, less than, or equal to |E| = kQ/r²? Explain your reasoning.
An uncharged metal bar of length L is placed a distance d from a point charge -Q as shown in the
figure below. The rod and point charge are both fixed in place.
B
d
X
L
a)
3] Three points in space A, B, and C are indicated in the figure above. A is a distance d
to the left of the point charge, B is in the center of the metal bar, and C' is a distance d to the
right of the metal bar. State whether the net electric field at each of the points with the bar
present is greater than, less than, or equal to the field if the bar were not there. Explain.
Transcribed Image Text:An uncharged metal bar of length L is placed a distance d from a point charge -Q as shown in the figure below. The rod and point charge are both fixed in place. B d X L a) 3] Three points in space A, B, and C are indicated in the figure above. A is a distance d to the left of the point charge, B is in the center of the metal bar, and C' is a distance d to the right of the metal bar. State whether the net electric field at each of the points with the bar present is greater than, less than, or equal to the field if the bar were not there. Explain.
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