Questions
A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is
a
μ0i4r
b
μ0i2r
c
μ0i2πr π+1
d
μ0i2πr π-1
detailed solution
Correct option is C
The given circuit can be considered as followsBloop = μ0i2r ⊙Bconductor = μ0i2πr ⊙Bnet = μ0i2πr π +1 ⊙Talk to our academic expert!
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