The resemblance of magnetic field lines for a bar magnet and a sole...

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The resemblance of magnetic field lines for a bar magnet and a solenoid suggest that
(a) a bar magnet may be thought of as a large number of circulating currents in analogy with a solenoid
(b) cutting a bar magnet in half is like cutting a solenoid
(c) Both (a) and (b)
(d) Neither (a) nor (b)
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