• Support PF! Buy your school textbooks, materials and every day products Here!

Starting from the equations for a dipole oriented along z, show that the field

  • Thread starter blueyellow
  • Start date
  • #1
241
0

Homework Statement



Starting from the equations for a dipole oriented along z, show that the field of a perfect dipole can be written as:

E=[1/(4pi epsilon0 r^3)] [3(p.r-hat)r-hat -p]

The Attempt at a Solution


V(r)= (p.r-hat)/(4pi epsilon0 r^2)

E=-grad V
=-[3p. r-hat]/[4 pi epsilon0 r^3]
 

Answers and Replies

  • #2
430
2
Are you so sure about the grad part?And by the way are you familiar with multipole expansion?
 

Related Threads on Starting from the equations for a dipole oriented along z, show that the field

Replies
16
Views
4K
Replies
1
Views
495
Replies
2
Views
815
  • Last Post
Replies
0
Views
1K
  • Last Post
Replies
2
Views
569
Replies
5
Views
17K
Replies
4
Views
1K
Replies
4
Views
1K
Top