The electric potential of a system as a function of position along the x axis is

Question

The electric potential of a system as a function of position along the x axis is given in the figure below. (The horizontal axis is marked in increments of 0.1 m and the vertical axis is marked in increments of S0 V.) (a) In which of the regions, 1, 2, 3, or 4, do you expect E to be the greatest? O region 1 O region 2 O region 3 O region 4 In which region does Ex have its greatest magnitude? O region 1 O region2 O region 3 O region 4 Explain. This answer has not been graded yet (b) Calculate the value of Ex in each of the regions 1, 2, 3, and 4.

Explanation / Answer

a) option 1

E=- del V , Means that in direction of E , V decreases.

for option 3 del V is positive.

b) opton-1

magnitude of slope is greater in 1.

c) 1 region

E=delV/del X

E=300-400/0.3-0

E=333.33 V/m (magnitude)

2 region

E=0

3 region

  E=6*50-8*50/(0.6-12)

E=166.66 V/m (magnitude)

4 region

E=150 V/m

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