A uniform line of charge of length 2L/3 lying between x = 0 and x = 2L/3 is charged with Q/2 as shown in the figure. Which of the following gives the electric field at point P located at x = 2L? 3kQ % (2L-x)² Selected Answer: 2L dx 4L 2L Answers: 3kQ dx 4L o (2L-x)? 2L/3 3kQ dx 4L (L – x)² 3kQ 2L dx 4L o (2L-x)2 3kQ r 21/3 dx 2L (2L – x)? 21/3 dx 4L (2L– x)?
A uniform line of charge of length 2L/3 lying between x = 0 and x = 2L/3 is charged with Q/2 as shown in the figure. Which of the following gives the electric field at point P located at x = 2L? 3kQ % (2L-x)² Selected Answer: 2L dx 4L 2L Answers: 3kQ dx 4L o (2L-x)? 2L/3 3kQ dx 4L (L – x)² 3kQ 2L dx 4L o (2L-x)2 3kQ r 21/3 dx 2L (2L – x)? 21/3 dx 4L (2L– x)?
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Transcribed Image Text:A uniform line of charge of length 2L/3 lying between x = 0 and x = 2L/3 is charged with Q/2 as shown in the figure. Which of the following gives the electric field
at point P located at x = 2L?
y
P
2L
Selected Answer:
3kQ
dx
(2L- x)?
2L
Answers:
3kQ
dx
4L
(2L- x)?
3kQ
2L/3
dx
(L – x)?
4L
2L
3kQ
dx
(2L - x)?
3kQ
21/3
dx
2L
(2L- x)?
3kQ ( 4/3
dx
4L
(2L- x)?
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