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3
questions
3
votes
2
answers
875
views
Electric field outside wire with stationary current
Consider a conductor of arbitrary structure where a stationary current flow, that is
$$\nabla \cdot \vec{j}=0$$
I did not find on textbook clear explanations on two facts:
How is the electric ...
- 2,617
2
votes
1
answer
1k
views
Can electric potential be discontinuous?
I am studying the following problem, which is 9.11 of "Modern Electrodynamics" by Zangwill.
The idea is that you have a wire attached to a perfectly conducting sphere (radius $a$) buried into the ...
- 1,544
0
votes
1
answer
771
views
Condition for Maximum Power in the circuit [duplicate]
Maximum Power is transferred to a load when load resistance is equal to internal resistance of source.
I want to know How ?
If I consider a source with internal resistance 'R' ,connected with ...
- 293