Question

what is solenoid? what is the pattern of solenoid?​

Answer 1

Answer:

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 This indicates that the magnetic field is the same at all points inside the solenoid.

Answer 2

Answer:

A solenoid is a coil of several circular turns of insulated conducting wire , wrapped closely in the shape of a cylinder .pattern of magnetic filed lines of solenoid through which a steady current flows : the pattern of a magnetic field lines inside a current carrying solenoid indicates that the magnetic field is uniform that is strength of the magnetic field is the same , everywhere inside the solenoid .