3. What is the approximate magnitude of the electric field at point c? explain your answer. (Hint: While the spacing of the equipotential lines varies over the entire figure, the spacing is reasonably constant near point C. The electric field vector will point “down the hill" from higher potential to lower potential, and it will be perpendicular to the equipotential line. The stren gth of the electric field is indicated by how close the lines are together. We must make a scale measurement on the figure. Do this with a ruler, or simply take a piece of paper, put it next to either the x- or y-axis, and make a couple of marks on it showing a scaled distance of, say, 0.5 m. Then put the paper over point C perpendicular to the equipotential line with the two marks straddling it and count the number of equipotential lines. Finally measure the difference in potential and divide it by the distance to find the magnitude of the electric field.) A. 100 V/m B. 300 V/m C. 800 V/m D. 1500 V/m E. 3000 V/m
3. What is the approximate magnitude of the electric field at point c? explain your answer. (Hint: While the spacing of the equipotential lines varies over the entire figure, the spacing is reasonably constant near point C. The electric field vector will point “down the hill" from higher potential to lower potential, and it will be perpendicular to the equipotential line. The stren gth of the electric field is indicated by how close the lines are together. We must make a scale measurement on the figure. Do this with a ruler, or simply take a piece of paper, put it next to either the x- or y-axis, and make a couple of marks on it showing a scaled distance of, say, 0.5 m. Then put the paper over point C perpendicular to the equipotential line with the two marks straddling it and count the number of equipotential lines. Finally measure the difference in potential and divide it by the distance to find the magnitude of the electric field.) A. 100 V/m B. 300 V/m C. 800 V/m D. 1500 V/m E. 3000 V/m
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Question 3 please
Transcribed Image Text:Figure shows equipotential lines in a region of space. The equipotential lines are spaced by the same difference
in potential, and several of the potentials are given.
1. What is the potential at point c? explain your answer.
у (m)
1.0-
A. -400 V
В. -350 V
C. -100 V
- 200 V
D. 350 V
0.5-
100 V
E. 400 V
0-
-0.5-
300 V-
-1.0+
-1.0
-x (m)
1.0
-0.5
0.5
2. At which point, a, b, or c, is the magnitude of the electric field the greatest? explain your answer.
3. What is the approximate magnitude of the electric field at point c? explain your answer. (Hint: While the spacing
of the equipotential lines varies over the entire figure, the spacing is reasonably constant near point C. The electric field vector will
point "down the hill" from higher potential to lower potential, and it will be perpendicular to the equipotential line. The stren gth of
the electric field is indicated by how close the lines are together. We must make a scale measurement on the figure. Do this with a
ruler, or simply take a piece of paper, put it next to either the x- or y-axis, and make a couple of marks on it showing a scaled
distance of, say, 0.5 m. Then put the paper over point C perpendicular to the equipotential line with the two marks straddling it and
count the number of equipotential lines. Finally measure the difference in potential and divide it by the distance to find the
magnitude of the electric field.)
A. 100 V/m
В. 300 V/m
C. 800 V/m
D. 1500 V/m
E. 3000 V/m
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