1. In figure 1, the distance from A to B is L I know answer of these question. b
ID: 1870656 • Letter: 1
Question
1. In figure 1, the distance from A to B is L
I know answer of these question. but I i want to know explanation of each answers.
The answer is
a. EqL
b. 0
c. EqL
d. EqL
e. -qEL
f. 0
Figure 1 1. In figure 1, the distance from A to B is L What is the work done on a charge q by the electric field as it moves from A to B in terms of E, q, L, and a? What is the work done on a charge q by the electric field as it moves from Bto C in terms of E, q, L, and ? What is the work done on a charge q by the electric field as it moves from A to Bto C in terms of E, q, L, and a? What is the work done on a charge q by the electric field as it moves from A to C along path F in terms of E, q, L, and ? How about along path G? a. b. c. d. What is the work done on a charge q by the electric field as it moves from B to A in terms of E, q, L, and a? e. What is the work done on a charge q by the electric field as it moves from A to B to Cto D to A in terms of E, q, L, and a? f.Explanation / Answer
electric force f = qE
work done w = fl cos(theta)
a) path is parallle to the field direction so angle is zero
w = qEl
b) here theta = 90
so w = 0
c) w abc = wab+wbc = qEl
d) it depends on the inital and final states but not depends on the path w ac = qEl
e) theta = 180
cos180 = -1
w = -qEl
f) theta = 270
w = 0
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