1.

The strength of a magnetic field inside a long current-carrying straight solenoid coil is

Answer»

more at the ends than at the centre.
minimum in the middle
same at all POINTS.
found to increase from one END to the other.

Solution :The strength of a magnetic field inside a long, current-carrying, straight SOLENOID is uniform at all points. MOREOVER, the field depends on the amount of current flowing and the number of turns in solenoid coil besides its LENGTH.


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