27. Suppose a region of space has a uniform electric field, directed toward the
ID: 2167793 • Letter: 2
Question
27. Suppose a region of space has a uniform electric field, directed toward the right, as shown in the figure. Which statement is true?
a) The voltage at points A and B are equal, and the voltage at point C is higher than the voltage at point A.
b) The voltage at points A and B are equal, and the voltage at point C is lower than the voltage at point A.
c) The voltage at point A is the highest, the voltage at point B is the second highest, and the voltage at point C is the lowest.
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Explanation / Answer
a) The voltage at points A and B are equal, and the voltage at point C is higher than the voltage at point A. --------> False --------Explanation------ electric potential decreases in the direction of Electric field and is same at same horizontal distances. As A and B are at same horizontal distance, the potential is same at both. But as potential decrease towards right, C must be at lower potential than at A b) With the same analysis/argument as above, The voltage at points A and B are equal, and the voltage at point C is lower than the voltage at point A. ---------------->True c) c) The voltage at point A is the highest, the voltage at point B is the second highest, and the voltage at point C is the lowest. ------>False as A and B are at same potential
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