a.) Rank the magnitude of the electric field at each point. Explain your ranking

Question

a.) Rank the magnitude of the electric field at each point. Explain your ranking.

b.) How could you experimentally determine the elctric fild at point A? Explain.

c.) If the elecric field at point A had a magnitude E, the potential difference between points A and B is delta V and the distance between points A and B is d (as indicated in the diagram), which of the following statements is true? Circle your choice and explain your reasoning.

i) E > (delta V)/d

ii) E = (delta V)/d

iii) E < (delta V)/d

Explanation / Answer

a) the electric field inside will be equal at A, B and C as the field will be uniform due to parallel plates .

the point D will have 0 electric field

b) experimentally , measure the potential at that point and the distance from the plate.

as we know that, E= v/d we can get the E value

c) in reality the eleectric field is V divided by the perpendicular distance

so, d cos(theta) will be smaller than d and hence E will be larger

hence , i) E > (delta V)/d

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