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  • Shown in figure is a conductor carrying a current i. The magnetic field intensity at the point O (com

Shown in figure is a conductor carrying a current i. The magnetic field intensity at the point O (commons centre of all the three arcs) is –

Option: 1

\frac{5 \mu_0 i \theta}{24 \pi r_0}


Option: 2

\frac{\mu_0 i \theta}{24 \pi r_0}


Option: 3

\frac{11 \mu_0 i \theta}{24 \pi r_0}

 


Option: 4

Zero


Answers (1)

best_answer

Since magnetic field at the centre of an an is equad to - B=\frac{\mu_0i}{4\pi r_0} \theta

Hence, net, B=\frac{\mu_0 i}{4 \pi}\left[\frac{i}{r_0}-\frac{i}{2 r_0}+\frac{i}{3r_0}\right] \theta

=\frac{5 \mu_0 i \theta}{24 \pi r_0}

Posted by

SANGALDEEP SINGH

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