If you followed a line on such a map, you would remain at a constant elevation. Thus, these contour lines are lines of equal elevation. Now

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If you followed a line on such a map, you
would remain at a constant elevation. Thus, these
contour lines are lines of equal elevation. Now
suppose you have a similar plot showing lines of
equal electrical potential. Briefly describe how you
could use this plot to calculate the magnitude of the
average electric field over a small distance on this
plot. (Do not use calculus terms like integral or
derivative in your answer.)
Transcribed Image Text:If you followed a line on such a map, you would remain at a constant elevation. Thus, these contour lines are lines of equal elevation. Now suppose you have a similar plot showing lines of equal electrical potential. Briefly describe how you could use this plot to calculate the magnitude of the average electric field over a small distance on this plot. (Do not use calculus terms like integral or derivative in your answer.)
Expert Solution
Step 1

Given,

Each line here represents the equipotential surface. 

we know that,

Change in electric potential is given by,

dV = -E .dr

E = -dV/dr

 

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