Out of the following , which statement is wrong for a current - carrying solenoid ?

Options

A. The magnetic field inside the solenoid is the same at each point .
B. Placing an iron object inside the solenoid increases the magnetic field .
C. The pattern of the magnetic field lines of the solenoid is different from that of the magnetic field lines of a bar magnet.
D. On reversing the direction fo the current the solenoid is different form that of the magnetic field lines of a bar magnet.

Answer

C

Explanation

The pattern of the magnetic field lines of the solenoid is different from that of the magnetic field lines of a bar magnet.