In a current carrying long solenoid, the field produced does not depend upon

In a current carrying toroid, the field produced does not depend upon

In a current carrying long solenoid, the field produced inside the solenoid does not depend upon

The magnitude of magnetic field at a point due to a current carrying small element of a conductor does not depend upon

Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors ?

In a current carrying solenoid, current is flowing clockwise from left end. Draw the magnetic field produced in it.

Draw the pattern of magnetic field lines of a current carrying solenoid What does the pattern of field lines inside the solenoid indicate? Write one application of magnetic field of current carrying solenoid.