All Questions
2
questions
0
votes
2
answers
268
views
Direction of electric field
When we place a positive test charge near a positive charge, it moves away from it. If there is a negative one instead, it follows a curved path. That is, the field of positive charges originates from ...
- 153
0
votes
2
answers
2k
views
Convention of potential energy in dipole and the conservation of energy
As I understand it, the convention for the potential energy of a dipole in a uniform electric field has the following zero point:
$U(\pi/2)=0$
I understand how this makes the calculation easier to ...
- 1