Question
![Q3 Find the electric field a distance y above the midpoint between two equal and opposite
charges, q and-q, that are a distance d apart as shown in Fig. 1 below. Consider ONLY
case where (y >> d).
(i) Ē=
(ii) E
1 qdx
Απε, y3
1
4πEO
qd
-
° [y²+(99²] *¹²
(iii) Ē=
1 qd
Απεο y/2
(iv) None of the above
-x
(1) E
(ii)
Ē
=
-9
=
1 qd
4περ y3
d/2
12
Fig. 1
d/2
+q
1
qd
Απερ
3/2
* *
[y² + (9²]](https://content.bartleby.com/qna-images/question/45e373be-e798-432d-b765-67c0741e74af/a09674bf-24e4-44b9-b7c9-ecd2f3fddfa1/1geu8xv_thumbnail.jpeg)
Transcribed Image Text:Q3 Find the electric field a distance y above the midpoint between two equal and opposite
charges, q and-q, that are a distance d apart as shown in Fig. 1 below. Consider ONLY
case where (y >> d).
(i) Ē=
(ii) E
1 qdx
Απε, y3
1
4πEO
qd
-
° [y²+(99²] *¹²
(iii) Ē=
1 qd
Απεο y/2
(iv) None of the above
-x
(1) E
(ii)
Ē
=
-9
=
1 qd
4περ y3
d/2
12
Fig. 1
d/2
+q
1
qd
Απερ
3/2
* *
[y² + (9²]
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