A current of ???? ampere flows in a wire forming a
circular arc of radius ???? metres subtending an angle
q at the centre as shown. The magnetic field at
the centre O in tesla is
(a) μ₀ ????θ (b) μ₀ ????θ
4 ???????? 2????????
(c) μ₀ ????θ (d) μ₀ ????θ
2???? 4????
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Answer :- Option A.....
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Explanation:
A current of ???? ampere flows in a wire forming a
circular arc of radius ???? metres subtending an angle
q at the centre as shown. The magnetic field at
the centre O in tesla is
(a) μ₀ ????θ (b) μ₀ ????θ
4 ???????? 2????????
(c) μ₀ ????θ (d) μ₀ ????θ
2???? 4????
Answer) Option A
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