Questions
If a copper rod carries a direct current, the magnetic field associated with the current will be
a
only inside the rod
b
only outside the rod
c
both inside and outside the rod
d
neither inside nor outside the rod
detailed solution
Correct option is C
In a metallic rod, charge carriers flow through whole of the cross-section, the magnetic field exists both inside as well as outside.Talk to our academic expert!
Similar Questions
ABCD is a square loop made of a uniform conducting wire. The current enters the loop at A and leaves at D. The magnetic field is
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