When you think about solenoid,'What the heck is that??!!'. Really I think about that too. but when I do some research about it,this solenoid is fascinating and very useful for today's technology. So let see about Solenoid.
Solenoid is a long coil made up of several turns of wire like a cylinder shape.When the current flows through a solenoid and produces a stronger magnetic field inside the solenoid than outsidethe pattern of the magnetic field is identical to that of a bar magnet.The two end of the solenoid,two opposing magnetic poles are formed.
When a soft iron core are place in the magnetic flux, the strength of the solenoid will become stronger.
At the end where the current flows in clockwise direction,when view from the open end the magnetic pole are formed is the south pole. The end of the current flowing into anticlockwise is the north pole.
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