Equipotential lines for some region of space are shown in the figure below. Supp

Question

Equipotential lines for some region of space are shown in the figure below. Suppose that v1--2.0 v, v2°-4.0 v, v)" 0 m 1 m 2m 3 m 4 m or 1) What is the approximate electric field at point A? Enter a positive value if the electric field points in the +x direction and a negative value if if the electric field points in the -x direction. (Express your answer to two significant figures.) /m Submit You currently have 2 submissions for this question. Only 3 submission are allowed. You can make 1 more submissions for this question. 2) What is the approximate electric field at point B? Enter a positive value if the electric field points in the +x direction and a negative value if if the electric field points in the -x direction. (Express your answer to two significant figures.) V/m Submit

Explanation / Answer

1) electric field at point A = elctric field in the region of x = 0 to x = 2m

= delta_V/d

= ( 0 - V1)/2

= (0 - (-2))/2

= 1 V/m

2) at point B, E = delta_V/dx

= (-4 - (-8))/1

= 4 V/m

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