Questions
The magnetic field at the centre of an equilateral triangular loop of side 2L and carrying a current i is
a
9μ0i4πL
b
33μ0i4πL
c
23μ0iπL
d
3μ0i4πL
detailed solution
Correct option is A
Magnetic field at O isB=3 μ04π ir sin 600 + sin 600 =3 μ04π i 3L 3= 9μ0i4πLTalk 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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