Question

Is it possible to separate electric and magnetic effects in an electromagnetic phenomenon ?

Answer 1

I would tentatively say that it depends on the phenomenon, but I'm not quite sure what you mean. Could you elaborate?

Answer 2

i mean can an electric field exist without a magnetic field and vice versa ?

Answer 3

For any given observer, yes -- however, somebody moving with respect to you might see a different mix.

Answer 4

how is that possible ?

Answer 5

I'll give you an example. Imagine I have a metallic loop and a bar magnet. My bar magnet will be fixed on a platform, and I will be rolling toward it with my loop on a cart.