An arc of a circle of raduis R subtends an angle 2π at the centre. It carriers a current i. The magnetic field at the centre will be

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An arc of a circle of raduis {R} subtends an angle {{}}{{2}} a

Question

An arc of a circle of raduis $R$ subtends an angle $\frac{π}{2}$ at the centre. It carriers a current $i .$ The magnetic field at the centre will be

\frac{μ _{0} i}{2 R}

\frac{μ _{0} i}{8 R}

\frac{μ _{0} i}{4 R}

\frac{2 μ _{0} i}{5 R}

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An arc of a circle of raduis

R

subtends an angle

\frac{π}{2}

at the centre. It carriers a current

i .

The magnetic field at the centre will be

8 mins ago

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Question Text	An arc of a circle of raduis $R$ subtends an angle $\frac{π}{2}$ at the centre. It carriers a current $i .$ The magnetic field at the centre will be
Answer Type	Video solution: 1
Upvotes	151