Q. 15.0( 4 Votes )

Which of the foll A. (a)

B. (b)

C. (c)

D. (d)

Answer :

In option A the magnetic field lines are circular; also they start and end at definite point.


But in option D the magnetic field lines are shown as square in shape therefore it is incorrect. In option B and C they are not starting and ending at definite point.

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