As we move away from the straight current carrying conductor, the spacing between the magnetic field lines ___.
increases
decreases
remains same
becomes zero
The magnetic field inside a long straight solenoid carrying current :
(a) is zero
(b) decreases as we move towards its end.
(c) increases as we move towards its end.
(d) is the same at all points.
As we move away from a current-carrying conductor, the spacing between the magnetic field lines