Statement I: A direct current flows through a metallic rod, produced magnetic field only outside the rod.
Statement II: There is no flow of charge carriers inside the rod.
In the light of the above statements, choose the most appropriate answer from the options given below.
Text Solution
Verified by ExpertsA
Both Statement I and Statement II are incorrect.
In the case of metallic rod, the charge carriers flow through whole of the cross-section.
Therefore, the magnetic field exists both inside as well as outside. However, magnetic field inside the rod will go on decreasing as we go towards the axis.
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