If two stationary coils are arranged such that one coil surrounds the other, A coil is plunged into the second one, or even one is placed in the neighborhood of the other, then the...
The magnetic flux lines emerge from the North pole to the South pole outside the coil, A circular loop carrying an electric current is like a magnet in the form of a disk has...
In 1819, a Danish physicist (Hans Oersted) brought a small compass near a wire carrying an electric current and parallel to it, He noticed that the compass needle deflected and when he turned the...