Answer:
The correct option is c) parallel to the axis of the tube
Explanation:
The magnetic field lines inside a current-carrying solenoid are parallel to the tube’s axis.
The magnetic field lines in the middle of the current-carrying solenoid are: a) circles b) spirals c) parallel to the axis of the tube d) perpendicular to the axis of the tube
The magnetic field lines in the middle of the current-carrying solenoid are: a) circles b) spirals c) parallel to the axis of the tube d) perpendicular to the axis of the tube