Magnetic field due to a long current carrying solenoid
Answers
A solenoid is a tightly wound helical coil of wire whose diameter is small compared to its length. The magnetic field generated in the centre, or core, of a current carrying solenoid is essentially uniform, and is directed along the axis of the solenoid. ... the magnetic field generated by a typical solenoid.
To observe the magnetic field lines around current carrying solenoid.
Theory:
A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder is called a solenoid.
The pattern of the magnetic field lines around a current-carrying solenoid is illustrated in Fig.1.
The pattern of the field is similar to magnetic field around a bar magnet. One end of the solenoid behaves as a magnetic north pole, while the other behaves as the south pole.
The field lines inside the solenoid are in the form of parallel straight lines. This indicates that the magnetic field is the same at all points inside the solenoid. That is, the field is uniform inside the solenoid