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The strength of a magnetic field inside ...

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

A

more at the ends than at the centre.

B

minimum in the middle

C

same at all points.

D

found to increase from one end to the other.

Text Solution

Verified by Experts

The correct Answer is:
C
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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