A current of I ampere flows in a wire forming a circular arc of
radius r metres subtending an angle q at the centre as shown.
The magnetic field at the centre ϴ in tesla is
(a) μ₀Iϴ/4πr
(b) μ₀Iϴ/2πr
(c) μ₀Iϴ/2r
(d) μ₀Iϴ/4r
Answers
Answered by
0
Answer:
B=
2r
μ
0
I
×
2π
θ
=
4πr
μ
0
Iθ
Answered by
12
Answer:
I think
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