To get a uniform field in the central region between the coils, current flows in the same direction in each.
Answer:
an act of asking for information.
Answer:
the answer is static electricity
When a force is applied to the box , this will cause an acceleration to the box.
(force =mass×acceleration)
So the box has a constant acceleration and a changing velocity.
Answer:
I think the answer is
C) iron nails are attracted towards all materials