Two parallel plates have been charged to create a uniform electric field between

Question

Two parallel plates have been charged to create a uniform electric field between the two plates. Rank the electric potential differences of the different combinations listed from greatest to least (negative values are less than positive values) a) Which condition(s) has the greatest positive potential difference: ____ b) Which condition(s) has the greatest negative potential difference: ____ c) Which condition(s) has zero potential difference: ____ d) IN which condition(s) does the field do positive work in moving a negative particle from the initial position to the final position: ____

Explanation / Answer

Potential lines are perpendicualr to the electric field lines. Greater the distance between the points larger would be the potential difference

a) condition 4 , Va-Vc = positive

b) condition 5 , Vd - Va = negative

c) condition 1 , equipotential surface

d) condition 3, condition 5. work done is positive because the potential differnce should be negative for an electron.

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