A long wire wound in a closely packed helix is called solenoid.

Question

Which of the following statements is, are correct? 

A) A long wire wound in a closely packed helix is called solenoid.

B) The magnetic field lines set up by solenoid resemble those of a bar magnet. 

C) One end of the solenoid behaves like a north pole and other behaves like a south pole when electric current flows through it.

D) All of the above

Answer 1

D) All of the above