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  • The strength of magnetic field inside a long current carrying straight solenoid 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

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

Answers (1)

Answer: C
Solution:

For a long current carrying straight solenoid, the magnetic field is approximately uniform at every point inside the solenoid.
So if we draw the magnetic field lines that would be parallel straight line with equal gaps.
Hence the correct answer of this question is option C

 

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infoexpert27

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