Question

magnetic field due to a solenoid

Answer 1

it is same as bar magnet.

from south to north outside the solenoid and from north to south inside the magnet.

non uniform outside and uniform inside.

HOPE THIS HELP!!

Answer 2

A coil of many turns of insulated copper wire wrapped in the shape of cylinder is called as salenoid.
lines produced by salenoid are similar to that of bar magnet.
Thus salenoid has all the propertice of the field produced by a bar magnet.